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21x21x1 MERV 8 Pleated Air Filter

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4 21x21x1 Air Filter for 20.79 each

21x21x1 MERV 8 filters made and manufactured by FilterBuy
Actual Size 20.5x20.5x1"
Traps and blocks over 90% of pollen, dust mites, mold, larger dust particles, and more.
Ideal for standard and residential commercial use
Designed to last 90 days. Replace regularly for optimum performance.
Free shipping on all orders!

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Reviews for 21x21x1 MERV 8 Pleated Air Filter

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Reviews(95)
Questions(0)

Updating Results

10/21/20

Elima-Draft I.

10/16/20

Sales person was great

Carlos J.

10/06/20

Perfect fit and only place

Perfect fit and only place I can find this size.

frederick c.

09/28/20

Good filters

Erik A.

09/14/20

Quick shipment good quality

So far quality looks great. Shipment was fast. Pricing is amazing especially since you basically can't find this size anywhere anymore. Would buy again in the future.

Natasha P.

09/05/20

Great filters great price

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Reviews for 21x21x1 MERV 8 Pleated Air Filter

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