Filter King 21x22x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 22 x .75"
Filter King 21x22x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 22 x .75"
Hero image 0 of Filter King 21x22x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 22 x .75", 0 of 5
Filter King

Filter King 21x22x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 22 x .75"

|3 ratings

Key item features

  • FILTER: This is a MERV 11 rated 4 pack Air Conditioner Filter | Size: 21" x 22" x 1" - Actual Size: 21" x 22" 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 $88.80
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  • Free 30-day returns
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Arrives by Tue, May 19
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Sold and shipped by Filter King LLC
4.552147239263804 stars out of 5, based on 326 seller reviews(4.6)
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3.7 out of 5 stars
stars3 ratings3 reviews
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Showing 1-3 of 3 reviews

Sep 20, 2025
Alfredo S.
5 out of 5 stars review

Seller Verified Purchase

Good products and amazing customer

Good products and amazing customer service.

Review from filterking.com
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Jun 28, 2024
LLISEL E.
5 out of 5 stars review

Gustavo is great

Excellent customer service

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Mar 28, 2026
Daniel
Sold and shipped byFilter King LLC
1 out of 5 stars review

Verified Purchase

My order arrived damaged

Helpful?30B12FCQM6PH5203047671