Hero image 0 of Filter King 20x20x1 Air Filter | 4-PACK | MERV 13 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 13 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 13 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)13
- BrandFilter King
- FeaturesPleated
- Microparticle performance rating13
- Thickness1"
Reviews summary
Pros
- : Offers quality products at lower cost.
- : Filters fit securely into their designated area.
- : Made to improve air quality and fit perfectly.
Generated by AI
Current price is USD$49.56
Price when purchased online
- Free shipping
Free 30-day returns
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Arrives by Thu, Jun 18
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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
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About this item
Product details
Filter King Merv 13 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 13 filter is 19-1/2 x 19-1/2 x 3/4
- FILTER: This is a MERV 13 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.
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Specifications
Air filter size
20 x 20 x 1
Minimum efficiency reporting values (merv)
13
Brand
Filter King
Features
Pleated
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
How item rating is calculated
Reviews summary
Pros
- : Offers quality products at lower cost.
- : Filters fit securely into their designated area.
- : Made to improve air quality and fit perfectly.
Generated by AI
Sort by |
Showing 1-3 of 181 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?5QCG07ZAQ0H0805166229
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?5QCG07ZAQ0H0805166229
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?5QCG07ZAQ0H0805166229
