21x21x1 MERV 11 Pleated Air Filter

Save 5% with Subscription

4 21x21x1 Air Filter for 23.99 each

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!

Choose another Size

Choose another Rating

Basic

Standard

Superior

Best

Reviews for 21x21x1 MERV 11 Pleated Air Filter

4.9 78 Reviews

0 Questions \ 0 Answers

ask a question

write a review

ask a question

write a review

Thank you for posting a review!

We value your input. Share your review so everyone else can enjoy it too.

Thank you for posting a review!

Your review was sent successfully and is now waiting for our staff to publish it.

Thank you for posting a question!

Please click on the link in the confirmation email we just sent you to submit your question.

Your question will appear on the site once someone answers it.

Reviews(78)
Questions(0)

Updating Results

07/07/20

Marlan M.

05/27/20

They're excellent filters.

Nuf said !!

Lloyd H.

05/20/20

Perfect

Filter fit perfectly. Substantial vs previous filter.

Winford F.

05/17/20

AWESOME FILTERS

ABSOLUTELY OUTSTANDING FILTERS.

Juliana F.

05/07/20

Very efficient online ordering

I have a unique size filter so this delivery service works wonderfully for me.

Ian B.

04/29/20

Great!

Save 5% with Subscription

Reviews for 21x21x1 MERV 11 Pleated Air Filter

WRITE A REVIEW

ASK A QUESTION