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K&N 20-in W x 30-in L x 1-in Washable Pleated Air Filter

32 Reviews
  • The last HVAC filter you will ever buy: washable for long-term home air filter savings
  • Cost saving annually compared to disposable filters
  • Premium quality: premium design and construction for excellent air filtration

$50.99

SKU:024844370532
Since 1969, K&N has been inventing and manufacturing creative air filtration solutions for the automotive market. Now that expertise has been brought into the home, with K&N’s new washable, reusable HVAC air filter. Made from a pleated synthetic filter media, K&N lifetime washable home air filters provide excellent filtration and dust capacity for long-life performance. They are specially designed to reduce contaminants in the air you breathe—and can be cleaned easily for years of use in your home, office, or business. Instead of repeatedly purchasing new disposable filters, simply wash and reinstall your K&N filter whenever it is dirty. Save money, help the environment, and protect your family with K&N!
  • The last HVAC filter you will ever buy: washable for long-term home air filter savings
  • Cost saving annually compared to disposable filters
  • Premium quality: premium design and construction for excellent air filtration
  • Direct replacement: designed to fit directly into your filter register
Weight 4.07 lbs
Dimensions 30.75 × 20.063 × 1.18 in

Latest reviews

  1. Jim57

    The filter is made well, but evidently they are made slightly smaller than normal. HVAC return opening measures exactly 20 x 30 in., and the filter measures 29.5 x 19.5 in. Some minor adjustments to the opening were necessary to keep the filter tight. The frame of my return is made with small tabs that can be bent outward to hold the filter. Had it not been made this way, I would have returned the filter. I am surprised that K&N would make a product that is inaccurate in size.

  2. Jennifer

    I purchased this and the 20X20 AC filter for my home. These are awesome. They only took a few seconds to install and are a perfect fit. One of the biggest complaints was the paper filters would make a kind of crinkle sound when my AC would turn on; installed these and it is now quiet. Since the 20X20 is in the master room, the sound would drive me nuts. Add in that these can be cleaned, and I could not be happier. Highly recommended

  3. ER

    You had the size we needed for our main air intake. But our house needs 5 additional 12 x 12 x 1” filters and you don’t offer that size. I know we can’t be the only ones in the world that use those. Going broke here trying to keep up with all these filters. Was hoping K&N would be the final answer to my problem. Other than that, the one we were able to buy is amazing and would definitely recommend!!

  4. Anthony

    I moved into a house that has the return air and filter in the middle of the hallway. It gets sand and dirt from outside and dust and fur from inside. Buying a filter every 2-3 weeks can get expensive quick. Having a washable lifetime filter seemed worth the shot. In the time ive had this k&n filter its already made up for the initial cost.

  5. RG

    I love K & N, since the 80’s, but this is a little disappointing. It needs a foam gasket around the edge as bypass is an issue. I ended up finding a piece of foam to hold it in place as when AC turned on it would suck it up and clank, the same when it turned off.

  6. J.Miller

    It fits, and looks great. The filter was not perfect looked a little bent in one spot but ok, like it. Haven’t started AC yet, hope it catches alot of dust. Have K&N filters in all my cars, love them!

  7. Jim P

    Great filter, but made to small for the opening. I’ve seen this complaint several times here, as there must be an error in manufacturing size.
    After some adjustments, it finally will stay in place.

  8. Dutch C

    The new HVAC filters are great. I believe K&N didn’t develop them sooner since it goes with there business model. It will save me time and money having to go to the store to buy throw away filter.

  9. Anonymous

    This is my second filter. I now have one to replace while the other is cleaned. The only problem is my cleaning solution has a faulty sprayer. The trigger keeps sticking every time I spray.

  10. Steve

    Been using this filter for about a year, just bought another one to swap out every couple of months. I feel it does a great job compared to the throwaways. Also have k&n in all our cars.

  11. What Now Darian

    I bought one for my home to cut down on waste and I loved it so much that when I moved I had to buy one for that home as well. I cannot be more happy with this product!

  12. Natedawg

    I am very satisfied with my k&n home air filter hell of a lot better than the disposable filters. Thank you k&n. P.s y’all always been my favorite filter.

  13. Jim57

    The filter is made well, but evidently they are made slightly smaller than normal. HVAC return opening measures exactly 20 x 30 in., and the filter measures 29.5 x 19.5 in. Some minor adjustments to the opening were necessary to keep the filter tight. The frame of my return is made with small tabs that can be bent outward to hold the filter. Had it not been made this way, I would have returned the filter. I am surprised that K&N would make a product that is inaccurate in size.

  14. Jennifer

    I purchased this and the 20X20 AC filter for my home. These are awesome. They only took a few seconds to install and are a perfect fit. One of the biggest complaints was the paper filters would make a kind of crinkle sound when my AC would turn on; installed these and it is now quiet. Since the 20X20 is in the master room, the sound would drive me nuts. Add in that these can be cleaned, and I could not be happier. Highly recommended

  15. ER

    You had the size we needed for our main air intake. But our house needs 5 additional 12 x 12 x 1” filters and you don’t offer that size. I know we can’t be the only ones in the world that use those. Going broke here trying to keep up with all these filters. Was hoping K&N would be the final answer to my problem. Other than that, the one we were able to buy is amazing and would definitely recommend!!

  16. Anthony

    I moved into a house that has the return air and filter in the middle of the hallway. It gets sand and dirt from outside and dust and fur from inside. Buying a filter every 2-3 weeks can get expensive quick. Having a washable lifetime filter seemed worth the shot. In the time ive had this k&n filter its already made up for the initial cost.

  17. RG

    I love K & N, since the 80’s, but this is a little disappointing. It needs a foam gasket around the edge as bypass is an issue. I ended up finding a piece of foam to hold it in place as when AC turned on it would suck it up and clank, the same when it turned off.

  18. J.Miller

    It fits, and looks great. The filter was not perfect looked a little bent in one spot but ok, like it. Haven’t started AC yet, hope it catches alot of dust. Have K&N filters in all my cars, love them!

  19. Jim P

    Great filter, but made to small for the opening. I’ve seen this complaint several times here, as there must be an error in manufacturing size.
    After some adjustments, it finally will stay in place.

  20. Dutch C

    The new HVAC filters are great. I believe K&N didn’t develop them sooner since it goes with there business model. It will save me time and money having to go to the store to buy throw away filter.

  21. Anonymous

    This is my second filter. I now have one to replace while the other is cleaned. The only problem is my cleaning solution has a faulty sprayer. The trigger keeps sticking every time I spray.

  22. Steve

    Been using this filter for about a year, just bought another one to swap out every couple of months. I feel it does a great job compared to the throwaways. Also have k&n in all our cars.

  23. What Now Darian

    I bought one for my home to cut down on waste and I loved it so much that when I moved I had to buy one for that home as well. I cannot be more happy with this product!

  24. Natedawg

    I am very satisfied with my k&n home air filter hell of a lot better than the disposable filters. Thank you k&n. P.s y’all always been my favorite filter.

  25. Torch

    Great product. I bought one for my house to give it a try. Works so great I bought one for my rentals. Easy to clean!

  26. Anonymous

    I purchased this item for our daughter’s house, because, I have been using K&N HAVC Filters since 2019 and love them.

  27. Anonymous

    Great filter! I’ve told all my friends about it. I’ll never use anything else from now on. Great work K&N!

  28. Patrick

    The HVAC filter is easy to assemble and control the dust coming from the vent into the house.

  29. Larry

    Fits perfectly. The quality of this filter is amazing. Highly recommended this product.

  30. tonya

    doesn’t fit properly and clangs everytime the furnance turns on

  31. Anonymous

    Fast delivery – great price – perfect fit! 5 stars!!!

  32. Martin

    Great quality and easy to install HVAC filter.

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