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Maintain peak performance and extend the life of your K&N Washable Filters by following the steps below. This procedure is designed for safe, effective cleaning using only water—no chemicals or detergents are required. Always follow K&N’s recommended service intervals. Regular maintenance helps ensure airflow efficiency and optimal performance of your filtration system.
TOOLS NEEDED
Cold water supply
Pressure regulator set to 40psi
Standard garden hose
Spray nozzle on “full” setting
Riser/Prop for drainage
Timer or stopwatch
Fan for optional gentle airflow during drying
WATCH THE PANEL WASHING INSTRUCTIONS VIDEO
Maintain your K&N V-Bank Filter with ease—watch the video or use the instructions below.
STEP 01 – PREPARE THE AREA
Choose a clean outdoor space with good drainage for runoff water.
Ensure water supply is connected through a pressure regulator set to 40psi.
STEP 02 – ADJUST THE PRESSURE & SPRAY SETTINGS
Regulate water pressure to 40psi.
This avoids filter media damage and maintains optimal cleaning effectiveness.
Do not exceed 40psi.
Set the nozzle to the circular “full” setting.
This produces a soft, circular spray ideal for even cleaning.
Avoid jet, stream, or pinpoint settings that may harm filter media.
STEP 03 – PROP-UP FILTER FOR DRAINING
Prop up the filter from the rear with a dowel or PVC to ensure water and debris drain effectively.
Ensure the filter pleats run horizontally.
STEP 04 – WASH WITH SLOW, DELIBERATE FLUSHING
Orient the water-stream oblique to the filter media.
With a continuous sweeping motion, flush the filter media water in a parallel to the direction of the pleats.
STEP 05 – GETTING THE FILTER CLEAN
Total wash time: 12 minutes per v-bank filter. Dedicate 90 seconds to each panel within the V-Bank filter. (8 panels × 90 seconds each).
STEP 06 – DRYING
Allow filters to air dry for 12 hours in a clean, indoor location. Maintain ambient humidity and a room temperature between 70–85°F.
Use a gentle fan to circulate air around the filter, but do not use heat or
direct airflow into the filter.
AVOID THE FOLLOWING TO PREVENT DAMAGE TO THE FILTER
Do not use chemicals or detergents.
Do not use a pressure washer.
Do not dry using heat guns, ovens, or direct sunlight.
Maintain peak performance and extend the life of your K&N Washable Filters by following the steps below. This procedure is designed for safe, effective cleaning using only water—no chemicals or detergents are required. Always follow K&N’s recommended service intervals. Regular maintenance helps ensure airflow efficiency and optimal performance of your filtration system.
TOOLS NEEDED
Cold water supply
Pressure regulator set to 40psi
Standard garden hose
Spray nozzle on “full” setting
Riser/Prop for drainage
Timer or stopwatch
Fan for optional gentle airflow during drying
WATCH THE PANEL WASHING INSTRUCTIONS VIDEO
Maintain your K&N Panel Filter with ease—watch the video or use the instructions below.
STEP 01 – PREPARE THE AREA
Choose a clean outdoor space with good drainage for runoff water.
Ensure water supply is connected through a pressure regulator set to 40psi.
STEP 02 – ADJUST THE PRESSURE & SPRAY SETTINGS
Regulate water pressure to 40psi.
This avoids filter media damage and maintains optimal cleaning effectiveness.
Do not exceed 40psi.
Set the nozzle to the circular “full” setting.
This produces a soft, circular spray ideal for even cleaning.
Avoid jet, stream, or pinpoint settings that may harm filter media.
STEP 03 – PROP-UP FILTER FOR DRAINING
Prop up the filter from the rear with a dowel or PVC to ensure water and debris drain effectively.
Ensure the filter pleats run horizontally.
STEP 04 – WASH WITH SLOW, DELIBERATE FLUSHING
Orient the water-stream oblique to the filter media.
With a continuous sweeping motion, flush the filter media water in a parallel to the direction of the pleats.
STEP 05 – GETTING THE FILTER CLEAN
You’ll see dirty water runoff initially transitioning to clear, clean water as the filter becomes clean.
Total wash time: 90 seconds. Dedicate 90 seconds to each Panel filter.
STEP 06 – DRYING
Allow filters to air dry for 12 hours in a clean, indoor location. Maintain ambient humidity and a room temperature between 70–85°F.
Use a gentle fan to circulate air around the filter, but do not use heat or
direct airflow into the filter.
AVOID THE FOLLOWING TO PREVENT DAMAGE TO THE FILTER
Do not use chemicals or detergents.
Do not use a pressure washer.
Do not dry using heat guns, ovens, or direct sunlight.
K&N Seasonal Considerations: Your Guide to Outdoor Air Quality and Maintaining Filter Life Year-Round
Outdoor air quality plays a crucial role in keeping your air filters in top shape all year long. Unpredictable weather and environmental changes, like pollen, dust storms, and winter freezes, can make this a challenging task. Seasonal debris such as pollen, dust, and leaves add further strain on maintaining indoor air quality.
Whether you’re dealing with spring pollen, summer dust storms, or the winter freeze, understanding how these seasonal shifts impact your HVAC system is essential. Learn more about outdoor air quality standards from the EPA’s official site.
Spring: The Attack of Pollen and Seeds
Spring is beautiful… but your filters might disagree. This season, particularly in the North and Midwest, brings an influx of pollen, cottonwood seeds, and other plant debris that can quickly clog filters.
What’s the Challenge? Pollen from trees, grasses, and weeds floods the air, causing buildup in filters. In regions where cottonwood trees thrive, their fluffy seeds can block airflow and overwhelm HVAC systems. Flower petals and other plant debris also contribute to the clogging.
North and Midwest: Cottonwood seeds are a major culprit, clogging outdoor units and filters
South: Heavy tree pollen, especially from oaks, covers everything in a yellow dust that clogs filters fast
West: Coastal regions see increased plant debris from blossoming flowers and trees, impacting filter performance
How Does This Affect Single-Use Filters? Disposable filters clog fast when pollen and cottonwood seeds are abundant, meaning more frequent replacements and reduced air quality.
What Can You Do? Regularly inspect your filters for pollen and debris, especially in high-pollen regions. Perform pressure drop checks to monitor performance and clean or replace your filters as needed to maintain system efficiency.
Summer: Dust, Dirt, and Fire Hazards
As temperatures rise, so do the winds – and with them come dust storms, increased dirt buildup, and even fire season in certain regions. The debris that enters your HVAC system during the summer can be extensive.
What’s the Challenge? In dry regions like the Southwest, dust and dirt are major problems. Outdoor HVAC units can get clogged quickly, reducing system performance. In areas prone to wildfires (like the West), ash and smoke particles also clog filters, leading to poor indoor air quality.
Southwest: Dust storms (haboobs) are a frequent challenge, filling filters with fine dirt and dust
West: Wildfire season brings ash and smoke, severely affecting air quality and overloading filters
South: High winds stir up dust and debris, clogging filters more quickly than in other regions
How Does This Affect Single-Use Filters? Dust, dirt, and ash can overwhelm disposable filters, forcing them to be replaced frequently. Insect nests and dead bugs can also collect in outdoor units, adding to maintenance headaches.
What Can You Do? Inspect your filters more frequently during windy, dry, or fire-prone seasons. Clean filters after heavy dust storms or fire events to remove accumulated debris. Make sure filters are properly fitted to prevent air bypass and maintain efficiency.
Fall: Debris and Organic Buildup
Fall might seem like a calm season, but for your HVAC filters, it’s anything but. With falling leaves, leftover pollen, and increased HVAC use, your system works just as hard as in spring and summer.
What’s the Challenge? Fallen leaves, acorns, and pine needles can get trapped in outdoor units, especially in heavily wooded areas. Organic debris can clog filters and reduce airflow, leading to HVAC strain. Mold spores may also be present, especially in damp conditions, which further compromises filter efficiency.
Northeast and Midwest: Falling leaves and acorns pose a big problem for outdoor units and filters
West: Pine needles and other tree debris often clog outdoor HVAC systems
North: Mold spores increase with damp conditions, adding another layer of debris that can clog filters
How Does This Affect Single-Use Filters? Disposable filters clog quickly with organic debris, requiring more frequent changes. As HVAC systems ramp up during colder months, single-use filters struggle to keep up with the heavier debris load.
What Can You Do? Conduct seasonal checks on your filters to clear out leaves, debris, and other organic matter. Perform a pressure drop check and clean your filters to prepare for increased HVAC use as the temperature drops.
Winter: Snow, Ice, and Road Salt Challenges
Winter can be brutal on HVAC systems, especially in regions where snow and freezing temperatures are common. And it’s not just cold air – snow, ice, and even road salt can find their way into your outdoor units.
What’s the Challenge? Snow and moisture can cause freezing in outdoor units, leading to filter damage. Freezing and thawing cycles deteriorate the material in disposable filters, reducing their lifespan. In colder regions, road salt can corrode filters and HVAC parts if not properly managed.
Northeast and Midwest: Snow and road salt pose significant challenges, especially for outdoor HVAC units. Road salt can lead to corrosion in disposable filters
Northwest: Constant rain and moisture can lead to increased humidity levels, challenging HVAC systems to prevent mold growth
South: While less impacted by snow, humid air can freeze during colder nights, potentially affecting filters in outdoor units.
How Does This Affect Single-Use Filters? Disposable filters are particularly prone to freezing and deterioration in the winter. The material can break down, and multiple replacements are often required throughout the season due to wear from moisture and cold temperatures.
What Can You Do? Regularly inspect your filters for snow and ice buildup. Ensure that filters are dry before reinstalling to prevent freezing issues. Post-winter, check for wear and clean filters to prepare for spring.
General Maintenance Tips: Keep Your Filters in Shape Year-Round
No matter the season, your HVAC system relies on well-maintained filters to keep working efficiently. Here’s how you can stay on top of it:
Pressure Drop Checks: Regularly monitor the pressure drop across your filter to determine when it’s time for cleaning or a replacement.
Seasonal Checklists: Prepare a checklist for each season. Make sure your maintenance team knows to look out for region-specific debris (e.g., pollen in spring, dust in summer, leaves in fall) and perform necessary cleaning or replacements.
Post-Event Cleanups: After major events like pollen storms, fires, or dust storms, inspect your filters and clean them to maintain air quality and HVAC efficiency.
The Verdict on Single-Use Filters: Why They Fall Short
As a leading global air filter solution, K&N provides unmatched durability and sustainability throughout the seasons. With K&N filters, you’re equipped for every season.
Our filters are not only efficient but environmentally conscious, reducing landfill waste up to 90%.
While disposable filters might seem like a quick fix, they come with significant drawbacks:
Frequent Replacements: Disposable filters need to be replaced multiple times throughout each season, adding to operational costs.
Lower Efficiency: They struggle to handle the specific debris challenges of each season, leading to compromised air quality.
Environmental Impact: The waste generated by frequent replacements makes single-use filters less sustainable over time.
Ready to Keep Your HVAC System Running Smoothly?
No matter the season, K&N Filters are designed to handle the toughest challenges, from spring pollen to winter road salt. Our reusable filters not only improve air quality but also reduce waste and save costs.
Bridging Indoor and Outdoor Air Quality the K&N Way
Understanding the critical link between external air conditions and indoor environments is vital, especially when the air quality plummets outside and the health of individuals and the integrity of equipment is compromised. Indoor and outdoor air quality are important measures that shouldn’t be overlooked for any business.
Outdoor air quality can be influenced by a variety of factors, including air pollution outside, industrial emissions, vehicular exhaust, pollen and natural disasters such as wildfires. Poor outdoor air quality can lead to increased concentrations of pollutants like particulate matter (PM2.5 and PM10), nitrogen dioxide (NO2), sulfur dioxide (SO2) and volatile organic compounds (VOCs), all of which can infiltrate indoor environments through ventilation systems, open windows and doors. It’s important to monitor air pollution levels and the outside air quality index while being proactive with a quality air filtration system.
Prolonged exposure to these pollutants has been associated with respiratory and cardiovascular diseases, decreased lung function and other serious health issues. In industrial settings, like data centers, contaminants can damage sensitive equipment, leading to operational inefficiencies and increased maintenance costs. This is why air filtration systems are essential for mitigating the impact of external air quality on indoor environments.
The Process: Tackling Outdoor Air Quality and Indoor Air Quality
The air filtration process typically starts at the rooftop air handler, where the outdoor air is first brought into the building. Here, K&N filters are installed to capture large particles and contaminants. As the air moves through the ventilation system, additional K&N filters collect airborne particles and pollutants, preventing them from circulating within indoor spaces. K&N’s global filtration air filters are designed to provide better airflow with as good or better filtration efficiency, to filter the most harmful particles before they can even get inside the building.
Our air filters are engineered with advanced synthetic materials that offer high capacity and long service life, making them ideal for industrial applications. The construction of K&N filters also ensures consistent performance even under challenging conditions, providing reliable protection against a wide range of airborne contaminants.
During the devastating Dixie Fire of 2021, which besieged areas near Reno, Nevada, K&N’s industrial air filters demonstrated unparalleled efficacy. As the fires spewed particulate matter into the air, the challenge to maintain the indoor air quality in affected regions was monumental.
However, our commitment to air quality extends beyond the immediate benefits of particulate reduction. The Dixie Fire illustrates not just the capacity of K&N filters to maintain air quality but also their role in safeguarding health, protecting sensitive equipment, and ensuring business continuity during adverse environmental conditions. This reliability is paramount across sectors where air quality can significantly impact health outcomes and operational efficiency.
The effectiveness of K&N’s filtration technology during such extreme events offers peace of mind to businesses and individuals alike. Knowing that the air within their facilities remains clean and safe, even when outdoor conditions are dire, is invaluable. This reliability is essential for sectors where air quality can directly impact operational efficiency and health outcomes, such as data centers, healthcare facilities and educational institutions.
Are you interested in learning how you can protect your indoor air quality from the pollutants outside? Contact the K&N team here.
Clean Air Filtration Blueprint: How Bouldering Project Facilities are Winning with K&N’s Washable Filters
Seattle-based Bouldering Project, a flourishing chain of indoor bouldering gyms with 12 locations peppered nationwide, grappled with an air quality issue as pronounced as the holds on its climbing walls. Positioned in bustling urban areas and often buzzing with climbers, Bouldering Project’s facilities dealt with a persistent challenge: managing copious amounts of airborne chalk dust while ensuring optimal indoor air quality (IAQ) for their members. The delicate particulate matter from the chalk, essential for grip but a threat to clean air filtration, posed a significant challenge, impacting not only the health and comfort of climbers but also the overall environmental sustainability of the operations.
The Staggering Cost of Clean Air Filtration
Across Bouldering Project’s diverse range of facilities, the requirement for clean air filtration translated into a single yet substantial company-wide operational demand: to identify and implement a sustainable and efficient air filtration solution. Depending on the size of the facility, the number of air filters used varied significantly. For instance, its smaller sites might use around six filters in the rooftop units (RTUs) per replacement cycle. In contrast, larger facilities, like the Springdale gym in Austin, could use upwards of 60 filters across 11 RTUs. During the peak climbing season, particularly in dry and dusty conditions, these filters were replaced as frequently as three times a week.
This high turnover of single-use disposable filters was more than just a logistical headache; it was also a financial strain. Additionally, the environmental implications were substantial. Each discarded filter contributed to the mounting waste in landfills. The sheer volume of filters used across multiple facilities meant that the Bouldering Project would contend with operational inefficiencies and an escalating environmental footprint. This continuous cycle of use and disposal highlighted the urgent need for a sustainable alternative. The company needed to rethink and resolve its air filtration financial and ecological challenges quickly.
A Sustainable Shift with K&N Washable Filters
In a strategic pivot in 2024, the Bouldering Project adopted a new solution to clear the air and pave the way for more sustainable practices: K&N Global Filtration’s washable and reusable industrial air filters. After pilot testing at two of their facilities, opting to use K&N’s washable filters network-wide was a clear choice. K&N’s filters and the benefits of clean air filtration align with the Bouldering Project’s dedication to high performance — both in its clientele’s athletic rigor and the facilities’ operational standards. K&N’s filters are the only high-performance washable and reusable industrial filters on the market, uniquely capable of handling the intense demands of a busy climbing gym while significantly reducing environmental impact and operational costs. This synergy between top-tier athletic performance at the gym and the unparalleled efficiency of K&N’s clean-air filtration technology embodies a comprehensive commitment to excellence.
“Instead of constantly purchasing disposable filters, we’ve now purchased a full set of K&N reusable filters and expect to see a return on investment in less than a year. Any opportunity to re-allocate resources to create a better experience for our members, I am going to take advantage of. K&N filters were one of those opportunities.”
—Charles Morris, General Manager, Bouldering Project, Austin
K&N filters, known for their durability and effectiveness, drastically reduce the need for frequent replacements. Unlike disposable filters, K&N’s washable air filters can be reused multiple times for many years, aligning perfectly with Bouldering Project’s need for continuous air quality management without recurring costs.
The Broader Significance of the Shift to K&N Washable Filters
Bouldering Project’s nationwide implementation of K&N washable filters is proof of the tangible benefits of integrating sustainable technologies into everyday business operations for clean air filtration. This approach presents a significant opportunity for facilities worldwide that rely on single-use filters to cut operational costs and reduce environmental impact. Each reusable filter means fewer disposable filters in landfills, less waste, and reduced resource consumption for producing and transporting new filters.
The Bouldering Project case is a compelling blueprint for other facilities with similar challenges — whether in fitness or other critical industries, such as data centers, college campuses, and hospitals. It illustrates how businesses can tackle operational inefficiencies and environmental responsibilities simultaneously. As more organizations witness operational savings and sustainability benefits, the shift toward sustainable practices like washable, reusable air filters continues to gain momentum.
“Sustainability has three components: Economic, Environmental and Social. This makes sense for us on the Economic side because we’ll see payback in less than 12 months. On the environmental side, we remove 15 tons of waste from landfills every year. And on the social side, we are helping create a better experience for the members of the community that use our space. Ticks all the boxes.”
—Kaylee Wilson, National Facilities & Sustainability Manager for Bouldering Project
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Disclaimer:
Since Phil uses AI, K&N is not responsible or liable for incorrect, incomplete, or outdated information generated by Phil. Please confirm fitment before purchase.