Filter King 17.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75"
Filter King 17.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75"
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Filter King

Filter King 17.5x21.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 21.5 x .75"

5 stars out of 7 reviews
(5.0)|
7 ratings

Key item features

  • FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 17.5" x 21.5" x 1" - Actual Size: 17.5" x 21.5" 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 $55.12
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  • Free shipping
  • Free 30-day returns
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Columbus, 43215
Arrives by Fri, Apr 10
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Sold and shipped by Filter King LLC
4.545741324921136 stars out of 5, based on 317 seller reviews(4.5)
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5 out of 5 stars
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Showing 1-3 of 7 reviews

Jun 24, 2025
Marc L.
5 out of 5 stars review

Seller Verified Purchase

Super fast deliver of HVAC Filters!!!

The price for the HVAC filters is very good, but the choices when it comes to available sizes is AMAZING. Other sites required special orders for my filters. At Filter King, my size was available and therefore the price was substantially lower.

Review from filterking.com
Helpful?61AT1YPD864T5213744513
Sep 25, 2025
Gregory C.
5 out of 5 stars review

Seller Verified Purchase

I buy my filters from

I buy my filters from the King

Review from filterking.com
Helpful?61AT1YPD864T5213744513
Nov 6, 2025
James H.
5 out of 5 stars review

Seller Verified Purchase

Great prices fast delivery good

Great prices fast delivery good assortment of sizes

Review from filterking.com
Helpful?61AT1YPD864T5213744513