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REUSABLE HVAC & A/C FILTERS


K&N washable home air filters are made with specially-designed filtration media that can be washed and reused as often as necessary, allowing you to avoid replacing and disposing of dirty filters month after month, and help improve air quality by trapping airborne contaminants like dust, pollen, smoke particles, bacteria, and pet dander.

FIND YOUR HOME AIR FILTER

Find your home air filter

Select Your Size Below

WASHABLE HVAC FILTERS

K&N home air filters use proprietary technology to help improve indoor air quality, and are washable and reusable for years of use. Watch our video overview to learn how easy it is to install, clean, and reuse your K&N HVAC filter.

WASHABLE HVAC FILTERS

K&N home air filters use proprietary technology to help improve indoor air quality, and are washable and reusable for years of use. Watch our video overview to learn how easy it is to install, clean, and reuse your K&N HVAC filter.

Keep your Home Air Filter Clean

Designed specifically to clean your K&N home air filter for fresher, cleaner air.

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K&N Oil

WASH, REFRESH, AND REUSE

washing dirty home air filter air condition filters
washing dirty home air filter air condition filters

WASHABLE AND REUSABLE

You deserve to live in a home with clean air. As an industry leader in washable filtration and technology, you can trust K&N’s home air filters to provide exceptional capturing capability for airborne contaminants. Go ahead and replace your disposable AC/furnace filter with one of K&N's easy-to-install lifetime washable models, and breathe easier knowing you’re helping improve indoor air quality in your home.
family with K&N home air filter

MULTIPLE SIZES AVAILABLE

K&N home air filters are designed to fit directly into your existing AC filter slot with ease, with multiple dimensions and sizes available. Order yours now and enjoy free U.S. shipping on orders $25+.
family with K&N home air filter
A/C unit duct air condition filters
A/C unit duct air condition filters

HELPS INCREASE HVAC EFFICIENCY

High airflow helps reduce strain on your heating and cooling system and requires less energy, which can translate to savings for you! When a filter becomes extremely clogged, airflow through the filter begins to slow, which can force an HVAC system to work harder to compensate. Replacing a disposable filter every 60-90 days can be inconvenient and expensive—instead, you can simply rinse clean your K&N lifetime washable furnace filter to help keep your HVAC system running smoothly.
installing washable furnace filter

EASY TO INSTALL

Each K&N washable home air filter is designed to fit directly into your heating and air conditioning filter slot just as easily as a typical disposable air filter, with multiple dimensions and sizes available for easy installation.
installing washable furnace filter
washable air condition filter
washable air condition filter

SIMPLE TO CLEAN

Washing your K&N washable air filter is as simple as removing your filter from its housing, spraying on K&N home air filter cleaner (part no. 99-6010), and rinsing with a low-pressure hose! After your filter is dry, simply reinstall to enjoy the benefits of K&N’s industry-leading washable filtration technology. See the full instructions included with your filter for details.
 
Replacing your AC/furnace filters with better-performing and durable filters may also help increase energy efficiency. A dirty air conditioner filter may restrict airflow to the point that the A/C motor is stressed, so installing a K&N home air filter may help your HVAC system run more effectively. Choose the right size for your air conditioning register, and start enjoying the benefits of fresher home air.
home filter helps remove dust and allergens air condition filters

ENJOY CLEANER AIR

You may not realize that the air inside your home can be even dirtier than the air outside in the environment, and a high-quality air conditioning and furnace filter can help improve the quality of the air that you breathe. Each K&N lifetime washable home furnace filter is engineered to provide exceptional capturing capability for airborne contaminants such as bacteria, mold, spores, dust mites, and carpet fibers—and helps protect your family from allergens including pollen, pet dander, and dust.
home filter helps remove dust and allergens air condition filters
OUR STORY
WHY K&N?
K&N is the home of the original red oiled air filter. In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an oiled air filter. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe. Thank you for helping us reach 50 years in business!
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Improve Vehicle Performance

K&N premium aftermarket performance products help your car, truck, motorcycle, dirt bike, or ATV perform its best—helping you obtain improved power and an enhanced driving experience from your vehicle. You’ll enjoy increased horsepower, torque, and acceleration—all from the vehicle you already own.

Love Your Car, Love the Environment

Over 100 million disposable air filters end up in landfills each year. Choosing a washable, reusable product that lasts for the life of your vehicle helps to reduce unnecessary waste.

Protect critical systems

When using a poorly-designed disposable air filter, dust, dirt, and contaminants can make their way into your engine—causing damage and premature wear. In addition, an inefficient oil filter can allow oil contaminants to build up within the engine, reducing its working lifespan. K&N performance protection products are designed to keep contaminants where they belong—out of your engine.

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