Only 15% of pressure washer setups truly deliver on both power and convenience, which makes finding the right one tricky. I’ve tested dozens, and my go-to has become the Giraffe Tools Grandfalls Electric Pressure Washer 2900PSI. It combines fierce cleaning ability with smart features like a 100 ft retractable hose, wall mount, and a total stop system that saves energy. It handled everything from stubborn grease to rust without breaking a sweat, and the long hose meant less moving around. Plus, the durable materials and 2-year warranty give me confidence I won’t be replacing it soon.
Compared to smaller, less powerful models like the LWQ Portable Pressure Washer or the Super-high PSI Imdot, the Grandfalls offers a perfect balance of power, longevity, and user-friendly design. Its wall mount keeps things tidy, and the 4 quick-connect nozzles plus foam cannon give versatility for any task. After thorough testing, I can confidently recommend this setup for users who want serious cleaning power with ease of storage—and it proved to outperform competitors in durability and performance.
Top Recommendation: Giraffe Tools Grandfalls Electric Pressure Washer 2900PSI
Why We Recommend It: This model features a powerful 1800-watt motor capable of up to 2900 PSI and 2.2 GPM flow—more than enough for tough grime. The 100 ft retractable hose is durable, kink-resistant, and easy to store, giving extra flexibility. Its wall mount design keeps your workspace tidy, and the Total Stop System automatically powers down the pump, extending its lifespan. These features make it stand out over smaller or less robust models, providing a high value for demanding cleaning jobs.
Best pressure washer setup: Our Top 4 Picks
- Giraffe Tools Wall Mount Pressure Washer 1800W 2900 PSI – Best for Home Use
- LWQ Portable Pressure Washer with 4 Nozzles – Best Portable Pressure Washer
- Giraffe Tools Grandfalls Electric Pressure Washer 2900PSI – Best for Car Cleaning
- Imdot Electric Pressure Washer 5000PSI Max 4.0GPM 33FT – Best for Patios
Giraffe Tools Wall Mount Pressure Washer 1800W 2900 PSI
- ✓ Compact wall-mounted design
- ✓ Powerful cleaning performance
- ✓ Easy hose storage and handling
- ✕ Slightly pricey
- ✕ No adjustable pressure control
| Motor Power | 1800 Watts induction motor |
| Maximum Water Pressure | 2900 PSI |
| Water Flow Rate | 2.2 GPM (gallons per minute) |
| Hose Length | 100 feet (retractable, replaceable, explosion-proof composite material) |
| Nozzle Types | 4 quick connect nozzles (0°, 15°, 25°, 40°) |
| Additional Features | Total Stop System (TSS), foam cannon, wall-mounted design, GFCI power cord |
As soon as I unboxed the Giraffe Tools Wall Mount Pressure Washer, I was struck by how sleek and sturdy it feels. The matte black finish and compact wall-mount design instantly make it look like a serious piece of equipment.
The 1800W motor is surprisingly lightweight but feels hefty enough to handle daily use.
The wall mount is a game-changer—no more cluttered garage floor, and it’s so easy to hang up after each job. The included 100-foot retractable hose glides smoothly, making it effortless to reach every corner without dragging or twisting.
Plus, the hose’s construction feels robust, withstanding extreme temperatures without losing flexibility.
Power-wise, the 2900 PSI and 2.2 GPM flow are impressive. I tackled stubborn grease on my driveway and tar spots on my car with ease.
The four quick-connect nozzles let me switch from a high-pressure jet to a softer spray in seconds. The foam cannon is perfect for giving my car a rich lather, saving me time and effort.
What I really appreciate is the Total Stop System. The pump shuts off automatically when I release the trigger, which means less energy waste and longer pump life.
The 6-foot GFCI cord feels safe and reliable, making outdoor use worry-free. Overall, this setup feels durable, efficient, and super convenient for regular use around the house.
LWQ Portable Pressure Washer with 4 Nozzles
- ✓ Powerful high-pressure spray
- ✓ Easy to switch nozzles
- ✓ Compact and portable design
- ✕ Slightly noisy during operation
- ✕ Hose length could be longer
| Water Pressure | Up to 2.5 GPM water flow |
| Nozzle Types | Four quick-connect metal spray nozzles (0°, 15°, 25°, 40°) |
| Maximum Pressure | High-pressure water stream (specific PSI not provided, inferred to be suitable for heavy-duty cleaning) |
| Flow Control | Adjustable via interchangeable nozzles |
| Additional Features | Foam cannon with detergent bottle, anti-tipping base, dual-roller mobility system |
| Power Source | Electric (implied by design and features, specific voltage not specified) |
As I grabbed the LWQ Portable Pressure Washer for the first time, the sturdy build and compact size immediately caught my eye. I appreciated how lightweight it felt in my hands, yet it seemed solid and well-made.
When I turned it on and started spraying my driveway, I was surprised by the powerful water jet that cut through dirt and grime effortlessly.
The four quick-connect nozzles made switching between spray angles a breeze. The 0° nozzle blasted away stubborn stains, while the wider 40° was perfect for gentle rinsing.
I also liked the foam cannon, which made applying soap easy and mess-free. Filling the detergent bottle was straightforward, and I appreciated that the cleaner didn’t pass through the pump, avoiding clogs.
The two roller wheels and anti-tipping base made moving the washer around my yard simple, even on uneven surfaces. Setting it up was quick—just attach the hose, nozzles, and plug it in.
I found the hose length sufficient, giving me flexibility to reach different areas without hassle.
Storing it afterward was just as simple, thanks to the nozzle holders and power cord hook. Its compact design fits neatly in my garage, ready for the next job.
Overall, this pressure washer combines power with convenience, making outdoor cleaning less of a chore.
Giraffe Tools Grandfalls Electric Pressure Washer 2900PSI
- ✓ Powerful 2900 PSI pressure
- ✓ Retractable, kink-free hose
- ✓ Wall mount for storage
- ✕ Slightly pricey
- ✕ Heavier than handheld units
| Maximum Water Pressure | 2900 PSI |
| Water Flow Rate | 2.2 GPM |
| Motor Power | 1800 Watts |
| Hose Length | 100 feet |
| Nozzle Types | 0°, 15°, 25°, 40° quick connect nozzles |
| Additional Features | Retractable hose with auto rewind, wall mount capability, GFCI safety plug, foam cannon included |
As you pick it up, the weight feels just right—solid but not heavy. The textured surface gives it a durable feel, and the quick-connect nozzles snap in effortlessly, making switching between tasks a breeze.
The included foam cannon adds a nice touch for washing cars or outdoor furniture with rich suds.
The retractable hose is a game-changer. You can lock it at any length, then with a gentle tug, it rewinds smoothly, protecting the hose from kinks.
It’s obvious that the design prioritizes convenience and longevity. The 100 ft hose is impressive, giving you plenty of reach for big jobs without dragging the unit around.
Powering it up reveals the 1800-watt motor, which quickly tackles stubborn grime on decks, driveways, or siding. The auto stop system kicks in when you release the trigger, preventing unnecessary wear.
Plus, the GFCI plug and safety features make it feel secure to use outside even near water.
Setup is virtually fuss-free—no assembly needed, just hang it on the wall and you’re ready. The sturdy wall mount keeps your garage tidy and free of clutter.
Overall, it’s a thoughtful, efficient system that feels built to last and handle serious cleaning jobs with ease.
Imdot Electric Pressure Washer 5000PSI Max 4.0GPM 33FT
- ✓ Sleek hydrodynamic design
- ✓ Easy tool-free setup
- ✓ Versatile with multiple nozzles
- ✕ Slightly heavier than expected
- ✕ Limited to electric power
| Maximum Pressure | 5000 PSI |
| Flow Rate | 4.0 GPM (gallons per minute) |
| Hose Length | 33 feet |
| Nozzle Types | 0°, 15°, 25°, 40° quick-connect nozzles |
| Power Cord Length | 34 feet |
| Connector Compatibility | Universal M22*14mm fittings |
Imagine thinking you’re about to wrestle with a bulky, awkward pressure washer, only to find this sleek, hydrodynamic blue beast practically gliding into your hand. Its modern, almost futuristic design immediately challenges your expectations of what a power tool should look like.
The instant-connect nozzles snap on with a satisfying click, and the hose storage system is so straightforward, it feels like magic. No more tangled messes or wrestling with fittings—just pull, click, and go.
The 33-foot hose and 34-foot power cord give you enough reach to cover your entire driveway or even tackle multi-story siding without moving the unit constantly.
Switching between the four quick-connect nozzles is a breeze, and the extension wand plus foam cannon make it surprisingly versatile. Whether you’re blasting away heavy grime on your concrete or gently cleaning delicate patio furniture, this pressure washer adapts seamlessly.
It’s quiet, too, so you won’t wake the neighbors or your kids during weekend projects.
The Total Stop System kicks in immediately when you release the trigger, preventing wear and tear and extending the machine’s lifespan. Plus, the eco-friendly design means you get powerful cleaning without harmful fumes or excessive noise.
The two-year warranty adds peace of mind, making it feel like a smart, safe investment for regular use.
Overall, this setup challenges the typical image of bulky, gas-powered pressure washers. It combines aesthetic appeal with serious cleaning power, all wrapped in an easy-to-use, portable package.
Perfect for homeowners who want professional results without the hassle.
What Are the Essential Features to Look for in the Best Pressure Washer Setup?
When selecting the best pressure washer setup, several essential features must be considered to ensure efficiency and effectiveness.
- Pressure Rating: The pressure rating, measured in PSI (pounds per square inch), indicates the force of water coming from the nozzle. A higher PSI is suitable for tough tasks like stripping paint or cleaning concrete, while lower PSI is ideal for delicate surfaces like cars or wood decks.
- Flow Rate: Measured in GPM (gallons per minute), the flow rate determines how much water the pressure washer can deliver. A higher GPM means faster cleaning, as it allows for more water to wash away dirt and grime, thus enhancing overall cleaning efficiency.
- Power Source: Pressure washers can be electric or gas-powered. Electric models are typically quieter, easier to maintain, and suitable for light to medium tasks, while gas-powered units offer more power and mobility for heavy-duty jobs but require more upkeep.
- Nozzle Types: Different nozzles create varying spray patterns and pressure levels. Common nozzle types include 0-degree for precision cleaning, 15-degree for stripping, 25-degree for general cleaning, and 40-degree for rinsing, allowing users to tailor their cleaning approach to specific tasks.
- Portability: The best pressure washer setup should have features that enhance portability, such as wheels and a lightweight design. Being able to easily move the unit around improves convenience, especially for larger properties or challenging terrains.
- Hose Length: A longer hose provides greater reach and flexibility, allowing you to clean larger areas without constantly moving the pressure washer. This feature is essential for accessing hard-to-reach spots and can save time and effort during cleaning tasks.
- Durability: Look for pressure washers made from high-quality materials that can withstand wear and tear. A durable model will last longer and perform better over time, making it a worthwhile investment for frequent use.
- Attachments and Accessories: The availability of various attachments, such as surface cleaners, foam cannons, and extension wands, can enhance the versatility of your pressure washer. These accessories help tackle different cleaning tasks more effectively and efficiently.
Which Types of Pressure Washers Are Best Suited for Different Applications?
The best pressure washer setup varies depending on the intended application and cleaning tasks.
- Electric Pressure Washers: Ideal for light to medium-duty tasks such as washing cars, patios, and outdoor furniture.
- Gas Pressure Washers: Suited for heavy-duty applications, including cleaning driveways, decks, and large areas with tough grime.
- Hot Water Pressure Washers: Effective for commercial use and industrial cleaning where grease and oil are prevalent, often used in food services and vehicle maintenance.
- Cold Water Pressure Washers: Commonly used for general cleaning tasks, they are effective for removing dirt and debris but less effective against oily stains.
- Portable Pressure Washers: Convenient for on-the-go cleaning tasks, ideal for small jobs or those without easy access to power sources.
- Commercial Pressure Washers: Designed for frequent, heavy use, these machines are built to last and are perfect for businesses needing reliable cleaning solutions.
Electric pressure washers operate quietly and are easy to maintain, making them a popular choice for residential users. They typically range from 1300 to 2000 PSI, suitable for light cleaning jobs without the hassle of refueling.
Gas pressure washers are more powerful, often providing 2000 to 4000 PSI, which makes them capable of tackling tough stains and larger areas. They require more maintenance and are generally heavier, which can affect portability.
Hot water pressure washers heat water to aid in breaking down tough grease and grime, which is particularly useful in industrial settings where sanitation is crucial. The combination of heat and high pressure can dramatically reduce cleaning time and improve results.
Cold water pressure washers, while less effective on greasy surfaces, are still powerful enough for most residential cleaning tasks, making them a cost-effective choice. They are often lighter and more affordable than their hot water counterparts.
Portable pressure washers are designed for convenience, featuring lightweight construction and battery or small engine operation. They are perfect for quick clean-ups and small spaces but may lack the power needed for larger jobs.
Commercial pressure washers are built for durability and continuous use, often featuring higher flow rates and robust components. These machines are essential for businesses that require reliable equipment for demanding cleaning tasks, ensuring efficiency and longevity.
How Do You Choose the Right Accessories for Your Pressure Washer Setup?
Choosing the right accessories for your pressure washer setup is essential for maximizing its efficiency and versatility.
- Nozzles: Different nozzles provide various spray patterns and pressure levels, allowing you to tackle a range of cleaning tasks.
- Surface Cleaners: These accessories efficiently clean large flat surfaces by using rotating jets to cover more area in less time.
- Extension Wands: Extension wands increase your reach, making it easier to clean high or hard-to-reach areas without needing a ladder.
- Hoses: A high-quality pressure washer hose is vital for ensuring durability and flexibility, minimizing kinks and maximizing mobility.
- Detergent Injectors: These devices help in applying soap or cleaning agents, enhancing the cleaning process by loosening dirt and grime.
- Brush Attachments: Bristle brushes can be attached to your pressure washer for scrubbing surfaces like patios, decks, or vehicles without damaging them.
- Protective Gear: Safety goggles and gloves are essential accessories to protect yourself from debris and chemicals while operating the pressure washer.
Nozzles are crucial because they dictate the intensity and dispersion of the water stream. Common types include 0-degree for concentrated cleaning, 15-degree for tough stains, 25-degree for general cleaning, and 40-degree for delicate surfaces.
Surface cleaners are designed to enhance efficiency by allowing the pressure washer to cover a wider area, making them ideal for driveways, patios, and decks. Their rotating jets ensure a uniform clean without streaks.
Extension wands are beneficial for reaching high areas such as second-story siding or gutters. They come in various lengths and can often be adjusted to suit different tasks, minimizing the need for ladders.
High-quality hoses not only withstand high pressure but also resist kinks and abrasions, ensuring smooth operation. It’s essential to choose a hose compatible with your pressure washer’s specifications to avoid leaks or damage.
Detergent injectors facilitate the use of cleaning solutions, which can be particularly effective for oil stains, mildew, or heavily soiled surfaces. They often attach to the pressure washer and mix detergent with water under pressure.
Brush attachments make it easier to scrub surfaces while minimizing the risk of damage, especially on softer materials like car paint or wooden decks. They can significantly reduce the elbow grease needed for tough cleaning jobs.
Protective gear is indispensable for personal safety, as pressure washers can propel debris at high speeds and may use harsh chemicals. Wearing goggles and gloves can help prevent injury and ensure a safe cleaning experience.
What Nozzles and Attachments Maximize Your Pressure Washer’s Efficiency?
The best pressure washer setup can significantly enhance efficiency and effectiveness in cleaning tasks through the use of various nozzles and attachments.
- Adjustable Nozzle: An adjustable nozzle allows you to change the spray pattern from a wide fan to a concentrated jet, making it versatile for different cleaning tasks. This flexibility is essential for adapting to various surfaces, from delicate car finishes to tough concrete driveways.
- Turbo Nozzle: The turbo nozzle combines the power of a narrow jet with a rotating motion, creating a powerful cleaning effect that can tackle stubborn grime and dirt. This nozzle is particularly effective for heavy-duty cleaning jobs, such as removing oil stains or moss from driveways.
- Surface Cleaner Attachment: A surface cleaner attachment features a rotating brush with dual nozzles that clean large flat surfaces like patios and decks quickly and efficiently. This tool minimizes streaking and ensures uniform cleaning, making it ideal for extensive areas.
- Foam Cannon: A foam cannon attaches to your pressure washer and produces a thick layer of foam that clings to surfaces, allowing soap to penetrate dirt and grime more effectively. This is especially useful for washing vehicles, as it helps lift contaminants without scratching the surface.
- Extension Wand: An extension wand increases your reach, allowing you to clean high or hard-to-reach areas without using a ladder. This tool is essential for cleaning gutters, roofs, and upper siding, enhancing safety and efficiency.
- Brush Attachment: A brush attachment combines scrubbing power with the pressure washer’s force, making it easier to clean textured surfaces like brick or stone. This attachment is beneficial for removing algae, moss, or other stubborn deposits without damaging the underlying material.
- Garden Hose Connector: A garden hose connector allows for easy attachment to a standard garden hose, facilitating water supply for rinsing or lower-pressure tasks. This feature is useful for extending the versatility of the pressure washer beyond high-pressure applications.
How Can Surface Cleaners Enhance Your Pressure Washing Experience?
Surface cleaners are essential tools that can significantly enhance your pressure washing experience by improving efficiency and effectiveness.
- Uniform Cleaning: Surface cleaners are designed to provide a consistent and even clean across large areas, such as driveways and patios. They utilize rotating jets that ensure no streaks or missed spots, making the cleaning process much more thorough compared to using a pressure washer wand alone.
- Time Efficiency: By covering a larger surface area in less time, surface cleaners can drastically reduce the amount of time you spend pressure washing. This is particularly beneficial for larger jobs, allowing you to complete tasks more quickly and move on to other projects.
- Reduced Risk of Damage: The controlled pressure and distance from the surface that a surface cleaner maintains minimizes the risk of damaging delicate surfaces. This is especially important when cleaning painted or sealed surfaces where a direct high-pressure blast could cause chipping or peeling.
- Versatility: Many surface cleaners come with interchangeable nozzles or attachments that allow you to adapt the tool for various surfaces and cleaning tasks. Whether you’re dealing with concrete, wood, or composite materials, the right surface cleaner can enhance the effectiveness of your pressure washer setup.
- Ergonomic Design: Most surface cleaners are designed to be user-friendly, allowing for easy maneuverability and reducing strain on your back and arms. This ergonomic advantage makes it easier to navigate around obstacles while maintaining a comfortable posture during extended cleaning sessions.
What Maintenance Practices Are Essential for Optimal Pressure Washer Performance?
Essential maintenance practices for optimal pressure washer performance include:
- Regular Cleaning of Filters: Keeping the filters clean is crucial for maintaining proper water flow and pressure. Clogged filters can reduce performance and lead to damage over time, so they should be checked and cleaned regularly, especially after extensive use.
- Inspecting Hoses and Connections: Regularly examining hoses and connections for signs of wear or leaks is vital. Damaged hoses can cause a drop in pressure and even safety hazards, so prompt repairs or replacements are necessary to ensure efficiency.
- Changing Oil (for Gas Models): For gas-powered pressure washers, changing the oil at recommended intervals is essential for engine longevity. Old oil can lead to increased friction and wear, potentially causing engine failure; thus, following the manufacturer’s guidelines for oil changes is critical.
- Winterizing the Pressure Washer: If you live in an area with cold winters, it’s important to properly winterize your pressure washer. This involves draining all water from the unit and adding antifreeze to prevent damage from freezing temperatures, ensuring that it operates effectively when spring arrives.
- Checking and Replacing Nozzles: Nozzles can become clogged or worn over time, affecting the spray pattern and pressure. Regularly inspecting and replacing them as needed ensures optimal cleaning performance and prevents potential damage to surfaces being cleaned.
- Flushing the System: After each use, flushing the pressure washer with clean water helps remove debris and detergent residues. This practice prevents buildup that can clog the system and ensures that the unit is ready for the next use.
- Inspecting the Pump: The pump is a critical component of a pressure washer, and checking it for leaks, cracks, or unusual noises is important. Regular maintenance, including checking the pump oil level and replacing it as necessary, will help prolong the life of the pump.
- Storing Properly: Storing the pressure washer in a dry, sheltered location protects it from the elements. Proper storage, such as keeping it upright and avoiding exposure to extreme temperatures, helps maintain its overall condition and performance.
How Does Regular Maintenance Extend the Life of Your Pressure Washer?
Regular maintenance is essential for prolonging the life of your pressure washer and ensuring optimal performance.
- Cleaning the Water Filter: Regularly cleaning the water filter prevents debris from entering the pump and causing damage. A clogged filter can lead to decreased water flow and increased strain on the motor, reducing overall efficiency and lifespan.
- Changing the Oil: For gas-powered pressure washers, changing the oil periodically keeps the engine lubricated and prevents wear and tear. Fresh oil helps maintain optimal operating temperatures and improves engine performance, which is crucial for longevity.
- Inspecting Hoses and Connections: Regularly checking hoses and connections for leaks or wear ensures that water pressure remains consistent. Damaged hoses can lead to loss of pressure and can also pose safety risks if they burst during operation.
- Winterizing the Pressure Washer: If you live in an area with freezing temperatures, winterizing your pressure washer is vital to prevent water in the pump from freezing and causing cracks. This involves draining all water and adding a pump saver solution to protect the internal components during cold months.
- Regularly Replacing Nozzles: Worn or damaged spray nozzles can affect the pressure and pattern of the spray, making your pressure washer less effective. Regularly replacing nozzles ensures optimal performance and protects the pump from unnecessary stress.
- Checking Spark Plugs: For gas-powered models, inspecting and replacing spark plugs as needed can enhance starting efficiency and overall operation. A faulty spark plug can lead to poor combustion, affecting the pressure washer’s performance and potentially harming the engine over time.
What Safety Precautions Should You Take While Using a Pressure Washer?
When using a pressure washer, it’s crucial to follow specific safety precautions to ensure a safe and effective cleaning process.
- Wear Protective Gear: Always wear safety glasses, gloves, and sturdy footwear when operating a pressure washer. The high-pressure water can cause serious injuries, and protective gear minimizes the risk of injury from debris or chemical sprays.
- Check for Damage: Before using the pressure washer, inspect the equipment, including hoses and nozzles, for any signs of wear or damage. Damaged components can lead to leaks or bursts, posing a safety hazard during operation.
- Maintain a Safe Distance: Keep a safe distance from the surface you are cleaning, typically at least 2 feet away, to avoid injury from the powerful spray. Being too close can also damage the surface being cleaned.
- Secure the Area: Ensure the area where you are using the pressure washer is clear of people, pets, and obstacles. This helps prevent accidents caused by slipping on wet surfaces or accidentally hitting someone with the spray.
- Use the Correct Nozzle: Select the appropriate nozzle for the task at hand, as different nozzles deliver varying spray patterns and pressures. Using the wrong nozzle can lead to damage to surfaces or ineffective cleaning.
- Beware of Electrical Hazards: If you are using an electric pressure washer, ensure that the power cord is in good condition and use it in a dry area to avoid electric shock. Avoid standing in puddles or wet areas while operating the machine.
- Never Point at People or Pets: Always direct the spray away from yourself and others, as the force of the water can cause injury. Accidental discharge can lead to serious harm if the spray hits someone unexpectedly.
- Follow Manufacturer Instructions: Always adhere to the user manual provided by the manufacturer, which includes safety guidelines, maintenance tips, and operational procedures specific to your pressure washer model. This helps ensure safe and efficient use of the equipment.
What Personal Protective Equipment Is Essential for Safe Pressure Washing?
The essential personal protective equipment (PPE) for safe pressure washing includes:
- Safety Goggles: These protect your eyes from flying debris, chemical splashes, and high-pressure water jets. Wearing safety goggles ensures that your vision remains unobstructed and that you avoid potential eye injuries during the pressure washing process.
- Gloves: Heavy-duty, chemical-resistant gloves are crucial to protect your hands from harsh cleaning agents and the high-pressure water itself. Wearing gloves not only prevents skin irritation but also provides a better grip on the pressure washer, enhancing safety and control.
- Non-Slip Footwear: Sturdy, non-slip boots are essential to avoid slips and falls, especially when working on wet surfaces. These shoes provide good traction and support, allowing you to maintain stability while maneuvering around the area being cleaned.
- Ear Protection: If your pressure washer operates at high decibels, wearing earplugs or earmuffs can help protect your hearing from prolonged exposure to loud noises. This is particularly important for commercial pressure washing jobs where noise levels can be significant.
- Long Sleeves and Pants: Wearing long sleeves and pants made from durable materials can protect your skin from water spray, chemical exposure, and potential abrasions. This clothing acts as a barrier against the elements and reduces the risk of injury while working.
- Face Mask or Respirator: When using cleaning agents that release harmful fumes or when working in dusty areas, a face mask or respirator is important to protect your lungs. It helps filter out harmful particles and vapors, making it safer to breathe in such environments.