Filter King 20x21x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 21 x .75"

4.6 4.6 out of 5 stars | 2,992 ratings

Price: 45.95

Last update: 11-01-2024


About this item

FILTER: This is a MERV 8 rated 4 pack Air Conditioner Filter | Size: 20" x 21" x 1" - Actual Size: 20" x 21" x .75"
MADE IN USA: Fully manufactured in the United States. Made from the highest quality materials and construction. (EPA Establishment Number: 103501-FL-1)
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.

Product information

Technical Details


Top reviews from the United States

Amazon Customer
5.0 out of 5 stars PERFECT SIZE
Reviewed in the United States on October 27, 2024
I swear I can’t find the right size in stores and this filter is the perfect size, Amazon is the only place I can find the right size. They are very well made and the price is great!
Gary RV_Wizard
5.0 out of 5 stars Quality filters
Reviewed in the United States on October 29, 2024
These work fine in my condo's a/c system.
Cheryl L
5.0 out of 5 stars Perfect fit
Reviewed in the United States on October 28, 2024
These filters work great with 3 dogs. Not cheap, but very effective!
Rita Green
4.0 out of 5 stars Unusual size
Reviewed in the United States on September 14, 2024
Grateful someone carries this size.
Leyla
5.0 out of 5 stars Perfect fit
Reviewed in the United States on October 17, 2024
Package came on time and the filters fit perfectly!
Nikip
5.0 out of 5 stars WELL MADE FILTER
Reviewed in the United States on October 29, 2024
Would buy again
Deno
5.0 out of 5 stars Filters
Reviewed in the United States on October 12, 2024
Perfect fit
L. Wagner
5.0 out of 5 stars Good filters
Reviewed in the United States on October 27, 2024
They do what they are supposed to. Yay!

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