Filter King 20x40x1 Air Filter | 12-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75"
Filter King 20x40x1 Air Filter | 12-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75"
Hero image 0 of Filter King 20x40x1 Air Filter | 12-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75", 0 of 5
Filter King

Filter King 20x40x1 Air Filter | 12-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19.5 x 39.5 x .75"

4.7 stars out of 53 reviews
(4.7)|
53 ratings

Key item features

  • FILTER: This is a MERV 11 rated 12 pack Air Conditioner Filter | Size: 20" x 40" x 1" - Actual Size: 19.5" x 39.5" 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.
Current price is $165.84
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  • Free shipping
  • Free 30-day returns
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Columbus, 43215
Arrives by Tue, Apr 7
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Sold and shipped by Filter King LLC
4.539936102236422 stars out of 5, based on 313 seller reviews(4.5)
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4.7 out of 5 stars
stars53 ratings53 reviews
How item rating is calculated
  1. 5 stars77% (41)
  2. 4 stars17% (9)
  3. 3 stars6% (3)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 53 reviews

Feb 28, 2026
Beth C.
5 out of 5 stars review

Seller Verified Purchase

Will buy again

Great service, great filters

Review from filterking.com
Helpful?3YDFGU68NTLD5216795398
Jun 9, 2025
James T.
5 out of 5 stars review

Seller Verified Purchase

Great product

Really happy to find the correct quality size filter. Thank you filter king!

Review from filterking.com
Helpful?3YDFGU68NTLD5216795398
Nov 5, 2024
Geraldine W.
5 out of 5 stars review

Seller Verified Purchase

Timely service. Will order again!!

Timely service. Will order again!!

Review from filterking.com
Helpful?3YDFGU68NTLD5216795398