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21x21x1 MERV 11 Pleated Air Filter

Name: 21x21x1 MERV 11 Pleated Air Filter
Brand: FilterBuy
SKU: AFB21x21x1M11
Availability: InStock
Rating: 4.78977 (176 reviews)

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icon indicates a Minimum Efficacy Rating Value of 11 for the replacement air filter

MERV 11 / Gold

Superior

3 Month Filter

21x21x1 MERV 11 filters made and manufactured by FilterBuy
Actual Size 20.5x20.5x1"
Attracts and captures pet dander, lint, dust, pollen, dust mite debris, mold spores, smoke, and smog.
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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Other MERV Ratings Available

21x21x1
MERV 8
Silver
Standard

21x21x1
MERV 11
Gold
Superior

21x21x1
MERV 13
Platinum
Best

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Reviews for 21x21x1 MERV 11 Pleated Air Filter

176 Reviews

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Reviews(176)
Questions(0)

Updating Results

09/27/22

William K.

09/10/22

Good price and fast delivery...Thanks.

Joel E.

05/02/22

Great product

With an unbeatable price in its category, these filters are well built and perform perfectly well. I highly recommend Filterbuy filters

Joan N.

04/19/22

much less dust

Paula A.

03/01/22

Very difficult to find anywhere.

Very difficult to find anywhere. Glad to see Filterbuy carries this size. Very sturdy and looks great. I feel safer using this filter and I think it’s doing a fantastic job. Great price too.

Christian J.

02/24/22

On time and in budget

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