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K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025

4.6 out of 5 stars 2,145 ratings
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Style: Merv 8
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Purchase options and add-ons

Brand K&N
Material Polyester
Product Dimensions 24.5"L x 19.5"W x 0.82"Th
MERV Rating 8
Compatible Devices Furnace
UPC 024844399649
Number of Items 1
Manufacturer K&N Engineering
Product Grade high
Unit Count 1.0 Count

About this item

  • The LAST AIR FILTER YOU WILL EVER BUY: Washable furnace filter for long-term home HVAC filter savings
  • SAVE MONEY: Save $30 annually with reusable air filter compared to disposable, one time use filters
  • INCREASE HVAC EFFICIENCY: Excellent airflow to help maintain HVAC system efficiency
  • GUARANTEED QUALITY: Premium design and construction for excellent air filtration
  • DIRECT REPLACEMENT: Designed to fit directly into your filter register

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Technical Details

Manufacturer ‎K&N Engineering
Part Number ‎HVC-8-12025
Item Weight ‎3.39 pounds
Product Dimensions ‎24.5 x 19.5 x 0.82 inches
Country of Origin ‎USA
Item model number ‎HVC-8-12025
Size ‎19.5" x 24.5" x 0.8"
Style ‎Merv 8
Material ‎Polyester
Item Package Quantity ‎1
Minimum Efficiency Reporting Values (MERV) ‎8
Included Components ‎HVAC Filter
Batteries Required? ‎No
Warranty Description ‎27 Year

Additional Information

ASIN B0CLBD4Z98
Customer Reviews
4.6 out of 5 stars 2,145 ratings

4.6 out of 5 stars
Best Sellers Rank #34,743 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#284 in Furnace Filters
Date First Available October 18, 2023

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K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025


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Product Description

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 for long-life performance. 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!

Top Brand: K&N

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K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025
K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025
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Price$49.99$59.99$59.99$119.99$31.99$49.99
Delivery
Get it as soon as Monday, May 19
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Customer reviews

4.6 out of 5 stars
2,145 global ratings

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Customers say

Customers find the air filter works well and appreciate its build quality, describing it as a lifetime product that holds up to grease. The filter is easy to clean and wash, and customers consider it worth the money, noting it pays for itself within six months. While some customers report improved air flow, others mention it restricts airflow significantly. Customers disagree on the noise level, with some saying it makes no noise while others find it pretty noisy. The fit receives mixed feedback, with some saying it's perfect while others note it's smaller than standard.

AI-generated from the text of customer reviews

61 customers mention "Functionality"53 positive8 negative

Customers find that the air filter works like a gem and has no issues, with one customer noting its high performance rating of 1100.

"...K&N makes a high quality high performance air filter...." Read more

"It fit the opening return duct opening like a charm. Nice complaints at all. Very well packed without any damage from the seller/carrier. 5/5☆" Read more

"Super sturdy, as you would expect from a K&N product...." Read more

"...Place in the sun to dry. Great product!" Read more

53 customers mention "Build quality"44 positive9 negative

Customers praise the air filter's build quality, describing it as a lifetime product that holds up well, with one customer noting it doesn't fray.

"...Try it and you will see that it's a high quality , washable, reusable(for all you green new deal folks) home AC filter." Read more

"...The construction is great and the element surpasses any other “reusable” unit on the market (and I’ve tried them)...." Read more

"This is much better than disposables. We'll built and sturdy. Clean each month and dry...." Read more

"Had a 20×20 for a couple of years and bought this one when we moved. Reliable, easy to maintain and well worth the money." Read more

47 customers mention "Ease of cleaning"37 positive10 negative

Customers find the air filter easy to clean and appreciate its washable dryflow media design, with one customer noting that pet hair washes off easily.

"...it filters very well(not too restrictive) and its washable dryflow media should last a lifetime if cleaned properly every 2-4 months..." Read more

"This is much better than disposables. We'll built and sturdy. Clean each month and dry...." Read more

"These are great filters that you can wash and reuse which is a good deal considering the cost of the ones you buy at big box stores...." Read more

"...time we cleaned the filter it seemed to work decently as the water was somewhat dirty when rinsing it off...." Read more

46 customers mention "Filter quality"40 positive6 negative

Customers appreciate the quality of this reusable HVAC filter, with one customer noting it effectively removes the finest dust particles.

"...AC filter is the best I've used, fit was good(not perfect) , it filters very well(not too restrictive) and its washable dryflow media should last a..." Read more

"These are great filters that you can wash and reuse which is a good deal considering the cost of the ones you buy at big box stores...." Read more

"...PRIOR REVIEW: The cheapskate in me loves the idea of a reusable house filter and the Merv rating is similar to my previous brand...." Read more

"It was great to find this product to avoid the waste of quarterly filter changes. Long term savings of course but also sustainability is a factor...." Read more

41 customers mention "Value for money"31 positive10 negative

Customers find the air filter to be excellent value for money, noting it's less expensive than disposable filters and pays for itself within six months of use.

"This is much better than disposables. We'll built and sturdy. Clean each month and dry...." Read more

"...Reliable, easy to maintain and well worth the money." Read more

"Great product with great quality that saves money by eliminating the need to constantly replace disposable HVAC Filters." Read more

"...PROS: - huge money saver (IF you don't buy their cleaner). I was spending about $14 for a decent filter every 2 months in Florida...." Read more

43 customers mention "Fit"26 positive17 negative

Customers have mixed experiences with how the air filter fits, with some saying it's perfect while others report it being smaller than standard.

"...This washable k&n home AC filter is the best I've used, fit was good(not perfect) , it filters very well(not too restrictive) and its washable..." Read more

"...Because it is rigid (no flex) and slightly wider than a disposable filter, you might find it difficult to pull the filter out of the slot in the..." Read more

"...Good fit also. Easy install." Read more

"...It fit as expected and seems to work just as a regular "disposable filter."..." Read more

41 customers mention "Airflow"25 positive16 negative

Customers have mixed experiences with the air filter's performance: some report improved air flow, while others find it restricts airflow significantly.

"...These filters function fine but after I bought this I learned that most hvac manufacturer recommend only using a merv 8 filter in their hvac systems..." Read more

"...Feels way more durable than the disposable ones. Air flow increased" Read more

"...However, you will LOSE SIGNIFICANT AIRFLOW with this filter...." Read more

"...I would have bought sooner our house even stays colder and ac unit works less hard then it did before definitely recommend 🙂 one happy customer that..." Read more

21 customers mention "Noise level"7 positive14 negative

Customers have mixed experiences with the air filter's noise level, with some reporting it makes no noise while others find it pretty noisy and causes whistling.

"...The result is sometimes there is an annoying whistling noise as air rushes around the outside of the frame." Read more

"...While this one is extremely quiet, I could, potentially, improve it with a little bit of foam rubber insulation tape on the frame...." Read more

"...not be as effective but more importantly it will rattle, make a lot of noise when running!!!..." Read more

"...the air comes on that it seems to pull hard on the filter and makes a loud noise which was scary at first, but I think it’s just because of the..." Read more

Great Fit and Quality from a Well-Known Brand
5 out of 5 stars
Great Fit and Quality from a Well-Known Brand
Thank you, K&N, for entering this home market. I’ve been a fan of the automotive products for years, and I feel like I’ve got the same value here. For the same price as a 3-pack of disposable filters of the same size, I now have a reusable filter with equal filtration capability. The construction is great and the element surpasses any other “reusable” unit on the market (and I’ve tried them). What’s more, the sturdy frame actually locks into place better than the cardboard version. My intake vents have aluminum tabs that can bend into place to hold the filter, and they sit in the groove of the filter frame perfectly. In other words, it’s not dropping when the suction of the intake is off. The frame has an added benefit that I’ll explore later. As with any filter, a little air escapes around the outer edges of the frame and causes a little whistling. While this one is extremely quiet, I could, potentially, improve it with a little bit of foam rubber insulation tape on the frame. This would be impractical for a disposable filter, but the added cost may have some value to go “whisper silent” with a true seal. Unfortunately, I was only to replace one of my three intake filters with the 20” x 25” x 1” I purchased. I need a 14” x 14” x 1” for the bedroom and a 20” x 40” x 1” for the second HVAC unit (we have two in our home). I’ve reached out to K&N sales and requested assistance on the additional sizes (still waiting for a call back). However, I’m sure it’s just a matter of time. UPDATE 3/27/2020 - Since installing the filter back on February 10th, it continues to operate quietly and as efficiently as it had on day one. My 3M ones, on the other hand, are getting a little more slack and allowing for more wind noise. All were installed the same night. I'm sure the PVC frame makes all the difference. It's time to clean the filter, so I'll be ordering the cleaning solution to do just that. Still very happy with the product, and I cannot wait for them to come out with the other sizes I need. If you need a particular size that isn't offered, please send them an e-mail at tech@knfilters.com (or call 800-858-3333) and make the request. They create the filter by the amount of demand they have, so let them know!
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Top reviews from the United States

  • Reviewed in the United States on August 24, 2019
    Style: Merv 11Size: 19.6" x 24.6" x 0.8"Verified Purchase
    Was very surprised to see k&n making home AC filters. I've used them in many automotive and powersport applications for over 20 years. K&N makes a high quality high performance air filter. I almost didn't purchase this because of a few negative reviews but with Amazon if it's not right you can return it.

    Was not surprised to see the filter was of great quality and came with a dry style washable media. A few people complained about fitment but the 20x25 I received fit pretty good. It covered the complete return vent and does not rattle around.

    K&N includes small screws that can be threaded into the ends of the filter to apply pressure against the framework of your ac return which if used right would take care of any rattles. I see so many bad reviews on items that I ultimately buy that are really not fair. It seems if you have to lift a finger or make an adjustment outside of dropping it straight in it's a bad product. My ac return frame has bendable tabs built in which can be moved out to hold the filter. Some returns have this and some don't. I did use them but truly did not have to im very picky and wanted the filter centered.

    I can say this is a true high flow filter that actually flowed as good as a cheap 30 day replacement but filters like one of the more expensive 3m 90 day filters. I have tried 2-3 reusable cleanable filters and most were so restrictive my airflow through the vents was reduced or it was a pain,in the @$$ to clean and maintain.

    This washable k&n home AC filter is the best I've used, fit was good(not perfect) , it filters very well(not too restrictive) and its washable dryflow media should last a lifetime if cleaned properly every 2-4 months depending on your house. Try it and you will see that it's a high quality , washable, reusable(for all you green new deal folks) home AC filter.
    Customer image
    jdh
    5.0 out of 5 stars
    Excellent high flow, washable, reusable K&N home AC filter

    Reviewed in the United States on August 24, 2019
    Was very surprised to see k&n making home AC filters. I've used them in many automotive and powersport applications for over 20 years. K&N makes a high quality high performance air filter. I almost didn't purchase this because of a few negative reviews but with Amazon if it's not right you can return it.

    Was not surprised to see the filter was of great quality and came with a dry style washable media. A few people complained about fitment but the 20x25 I received fit pretty good. It covered the complete return vent and does not rattle around.

    K&N includes small screws that can be threaded into the ends of the filter to apply pressure against the framework of your ac return which if used right would take care of any rattles. I see so many bad reviews on items that I ultimately buy that are really not fair. It seems if you have to lift a finger or make an adjustment outside of dropping it straight in it's a bad product. My ac return frame has bendable tabs built in which can be moved out to hold the filter. Some returns have this and some don't. I did use them but truly did not have to im very picky and wanted the filter centered.

    I can say this is a true high flow filter that actually flowed as good as a cheap 30 day replacement but filters like one of the more expensive 3m 90 day filters. I have tried 2-3 reusable cleanable filters and most were so restrictive my airflow through the vents was reduced or it was a pain,in the @$$ to clean and maintain.

    This washable k&n home AC filter is the best I've used, fit was good(not perfect) , it filters very well(not too restrictive) and its washable dryflow media should last a lifetime if cleaned properly every 2-4 months depending on your house. Try it and you will see that it's a high quality , washable, reusable(for all you green new deal folks) home AC filter.
    Images in this review
    Customer imageCustomer image
    233 people found this helpful
    Report
  • Reviewed in the United States on February 11, 2020
    Style: Merv 11Size: 19.6" x 24.6" x 0.8"Verified Purchase
    Thank you, K&N, for entering this home market. I’ve been a fan of the automotive products for years, and I feel like I’ve got the same value here.

    For the same price as a 3-pack of disposable filters of the same size, I now have a reusable filter with equal filtration capability. The construction is great and the element surpasses any other “reusable” unit on the market (and I’ve tried them).

    What’s more, the sturdy frame actually locks into place better than the cardboard version. My intake vents have aluminum tabs that can bend into place to hold the filter, and they sit in the groove of the filter frame perfectly. In other words, it’s not dropping when the suction of the intake is off.

    The frame has an added benefit that I’ll explore later. As with any filter, a little air escapes around the outer edges of the frame and causes a little whistling. While this one is extremely quiet, I could, potentially, improve it with a little bit of foam rubber insulation tape on the frame. This would be impractical for a disposable filter, but the added cost may have some value to go “whisper silent” with a true seal.

    Unfortunately, I was only to replace one of my three intake filters with the 20” x 25” x 1” I purchased. I need a 14” x 14” x 1” for the bedroom and a 20” x 40” x 1” for the second HVAC unit (we have two in our home). I’ve reached out to K&N sales and requested assistance on the additional sizes (still waiting for a call back). However, I’m sure it’s just a matter of time.

    UPDATE 3/27/2020 - Since installing the filter back on February 10th, it continues to operate quietly and as efficiently as it had on day one. My 3M ones, on the other hand, are getting a little more slack and allowing for more wind noise. All were installed the same night. I'm sure the PVC frame makes all the difference. It's time to clean the filter, so I'll be ordering the cleaning solution to do just that. Still very happy with the product, and I cannot wait for them to come out with the other sizes I need.

    If you need a particular size that isn't offered, please send them an e-mail at tech@knfilters.com (or call 800-858-3333) and make the request. They create the filter by the amount of demand they have, so let them know!
    Customer image
    5.0 out of 5 stars
    Great Fit and Quality from a Well-Known Brand

    Reviewed in the United States on February 11, 2020
    Thank you, K&N, for entering this home market. I’ve been a fan of the automotive products for years, and I feel like I’ve got the same value here.

    For the same price as a 3-pack of disposable filters of the same size, I now have a reusable filter with equal filtration capability. The construction is great and the element surpasses any other “reusable” unit on the market (and I’ve tried them).

    What’s more, the sturdy frame actually locks into place better than the cardboard version. My intake vents have aluminum tabs that can bend into place to hold the filter, and they sit in the groove of the filter frame perfectly. In other words, it’s not dropping when the suction of the intake is off.

    The frame has an added benefit that I’ll explore later. As with any filter, a little air escapes around the outer edges of the frame and causes a little whistling. While this one is extremely quiet, I could, potentially, improve it with a little bit of foam rubber insulation tape on the frame. This would be impractical for a disposable filter, but the added cost may have some value to go “whisper silent” with a true seal.

    Unfortunately, I was only to replace one of my three intake filters with the 20” x 25” x 1” I purchased. I need a 14” x 14” x 1” for the bedroom and a 20” x 40” x 1” for the second HVAC unit (we have two in our home). I’ve reached out to K&N sales and requested assistance on the additional sizes (still waiting for a call back). However, I’m sure it’s just a matter of time.

    UPDATE 3/27/2020 - Since installing the filter back on February 10th, it continues to operate quietly and as efficiently as it had on day one. My 3M ones, on the other hand, are getting a little more slack and allowing for more wind noise. All were installed the same night. I'm sure the PVC frame makes all the difference. It's time to clean the filter, so I'll be ordering the cleaning solution to do just that. Still very happy with the product, and I cannot wait for them to come out with the other sizes I need.

    If you need a particular size that isn't offered, please send them an e-mail at tech@knfilters.com (or call 800-858-3333) and make the request. They create the filter by the amount of demand they have, so let them know!
    Images in this review
    Customer imageCustomer imageCustomer image
    16 people found this helpful
    Report
  • Reviewed in the United States on May 5, 2025
    Style: Merv 13Size: 19.5" x 24.5" x 0.8"Verified Purchase
    It fit the opening return duct opening like a charm. Nice complaints at all. Very well packed without any damage from the seller/carrier. 5/5☆
  • Reviewed in the United States on June 27, 2024
    Style: Merv 8Size: 19.5" x 24.5" x 0.8"Verified Purchase
    Super sturdy, as you would expect from a K&N product. Because it is rigid (no flex) and slightly wider than a disposable filter, you might find it difficult to pull the filter out of the slot in the furnace. I generally need something to use as a pry to get it above the slot opening so I can grab it. But most importantly, be aware that there is a significant tradeoff between filtering and airflow. I have no doubt the K&N does a much better job filtering than a disposable MERV 8 filter. However, you will LOSE SIGNIFICANT AIRFLOW with this filter. I don't have a way of measuring airflow volume, but judging by the time it takes to cool my house as well as by feeling the airflow from the vents, I suspect airflow is cut by at least 20%. This will likely cause your air handler to work harder which in turn, will cause it to run longer, increasing electricity costs.
    16 people found this helpful
    Report
  • Reviewed in the United States on September 27, 2024
    Style: Merv 13Size: 19.5" x 24.5" x 0.8"Verified Purchase
    This is much better than disposables. We'll built and sturdy. Clean each month and dry. Keep one of those spare disposables to use while.you are cleaning but that will last a long time because it will only be in your unit for a short time. Good fit also. Easy install.
    One person found this helpful
    Report

Top reviews from other countries

  • Hollii
    5.0 out of 5 stars Added 10hp to the house!
    Reviewed in Canada on March 10, 2025
    Style: Merv 8Size: 19.5" x 24.5" x 0.8"Verified Purchase
    Just have to clean the filter now, no more waste. Good filter
  • Wayne S.
    5.0 out of 5 stars No more throw away filters
    Reviewed in Canada on October 7, 2024
    Style: Merv 8Size: 19.5" x 24.5" x 0.8"Verified Purchase
    Now we have two washable filters. So it will be easily switched back and forth after cleaning. No more throw away filters. The cost might seem a bit much for some but in the long run you will save money, so it is a good investment.
  • Shawn
    3.0 out of 5 stars Questionable air flow
    Reviewed in Canada on December 11, 2023
    Style: Merv 11Size: 19.6" x 24.6" x 0.8"Verified Purchase
    The build quality is excellent and truly built to last. It was easy to clean with soap and water and only took a day to dry. The filter didn’t get as dirty in the same time period as a standard filter. I’m assuming because of the number of air filter pleats. More testing is required
  • Amazon Customer
    3.0 out of 5 stars Tough to know if it is clean
    Reviewed in Canada on March 7, 2024
    Style: Merv 11Size: 19.6" x 24.6" x 0.8"Verified Purchase
    I find it difficult to clean, or more specifically how to know it IS clean. You can't really see the dust/dirt, especially when you are running water over the metal.
  • Carl Duddin
    5.0 out of 5 stars Direct replacement and long term savings
    Reviewed in Canada on August 13, 2022
    Style: Merv 11Size: 19.6" x 24.6" x 0.8"Verified Purchase
    Buy the K&N filter cleaning spray when you buy this and depending how often you change your disposable ones (in our case it was every 3 months) we should break even after 3 years of owning this. We keep a disposable one available to use while we are cleaning the K&N filter. Rated MERV 11 so if you have allergies then this may help improve the air quality a little for you.

Product Summary: K&N 20X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12025

From K&N

4.6 out of 5 stars, 2,145 ratings

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100+ bought in past month

Price

One-time purchase: $49.99

Subscribe & Save price (No fees, Cancel anytime): $49.99 ( $49.99 / Count)

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About this Item

  • The LAST AIR FILTER YOU WILL EVER BUY: Washable furnace filter for long-term home HVAC filter savings
  • SAVE MONEY: Save $30 annually with reusable air filter compared to disposable, one time use filters
  • INCREASE HVAC EFFICIENCY: Excellent airflow to help maintain HVAC system efficiency
  • GUARANTEED QUALITY: Premium design and construction for excellent air filtration
  • DIRECT REPLACEMENT: Designed to fit directly into your filter register

Product Description

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 for long-life performance. 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!

Options Available

Style

  • Merv 8
  • Merv 8 + 20x20x1 Air Filter
  • Merv 8 + 20x30x1 Air Filter
  • Merv 11
  • Merv 13

Size

  • 19.5" x 24.5" x 0.8"
  • 20X25X1
  • 19.6" x 24.6" x 0.8"
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