Hero image 0 of Filter King 20x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x .75", 0 of 5
Filter King 20x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 19.5 x .75"
Key item features
- FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 20" x 20" x 1" - Actual Size: 19.5" x 19.5" x .75"
- MAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 - 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A/C and heaters
- CAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.
- FAST & EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.
Specs
- Air filter size20 x 20 x 1
- Minimum efficiency reporting values (merv)8
- Contaminants removedPollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses
- BrandFilter King
- FeaturesPleated
- Thickness0.75 in
Current price is USD$32.32
Price when purchased online
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Sold and shipped by Filter King LLC
4.547904191616767 stars out of 5, based on 334 seller reviews(4.5)334 seller reviews
Free 30-day returns
About this item
Product details
Filter King Merv 8 20x20x1 4-Pack Air Filter actual size is 19.5x19.5x.75. Our 20x20x1 Furnace Filters are designed to last up to 90 days. These pleated 1-inch air filters are ideal for maintaining the efficiency of your heating and cooling systems. Make sure you measure your filter. The actual size of this pleated Merv 8 filter is 19-1/2 x 19-1/2 x 3/4
- FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 20" x 20" x 1" - Actual Size: 19.5" x 19.5" x .75"
- MAX PERFORMANCE: Our filters can last up to 90 DAYS before needing replacement. We do recommend to change your home air filter every 30 - 90 days for 1 inch filters. This will help maintain the longevity of the intended application like A/C and heaters
- CAPTURE MORE: Protect your home! The pleated design captures more particles and extends lifetime of the filter. Merv Filters trap airborne particles without impacting air flow. Feel the difference in 48 hours.
- FAST & EASY INSTALLATION: Open, Slide and Close! A simple yet effective replacement air filter for your home.
info:
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Specifications
Air filter size
20 x 20 x 1
Minimum efficiency reporting values (merv)
8
Contaminants removed
Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses
Brand
Filter King
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Customer ratings & reviews
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Showing 1-3 of 194 reviews
Oct 4, 2025
Lyndy D.
5 out of 5 stars review
Seller Verified Purchase
What can you say about filters?
They are not pretty, you don't see them, they are fairly simple. But they do make your air cleaner, help your AC unit to be more effective and if you buy a bundle they cost a little less that just one. Mine have served me well and my AC man approves of my choice.
Review from filterking.com
Helpful?2VQZUYFV798D540028924
Dec 15, 2025
Mischelle S.
5 out of 5 stars review
Seller Verified Purchase
Happy customer
Great filters Very easy and convenient way to shop. I have ordered many times always fast delivery. Have been a long time customer and will not buy filters any where else
Review from filterking.com
Helpful?2VQZUYFV798D540028924
May 4, 2026
Paul E.
5 out of 5 stars review
Seller Verified Purchase
Outstanding
The filters are great quality and a perfect fit. Can't say enough positive about the company. I ordered the wrong size and the company replaced them free of charge. Great prices, filters and customer service. I will be a repeat customer
Review from filterking.com
Helpful?2VQZUYFV798D540028924
