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18x20x4 MERV 13 Pleated Air Filter

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MERV 13 / Platinum

Best

3 Month Filter

18x20x4 MERV 13 filters made and manufactured by FilterBuy
Actual Size 17.5x19.5x3.75"
Hospital Grade. Attracts and captures airborne particles or allergens less than one micron in size such as pollen, fine dust, pet dander. Also captures bacteria, viruses carrying particles, mold spores and smoke.
Ideal for standard and residential commercial use
Designed to last 90 days. Replace regularly for optimum performance.
Free shipping on all orders!
Learn more about 18x20x4 Air Filters.

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Other MERV Ratings Available

18x20x4
MERV 8
Silver
Standard

18x20x4
MERV 11
Gold
Superior

18x20x4
MERV 13
Platinum
Best

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Reviews for 18x20x4 MERV 13 Pleated Air Filter

19 Reviews

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Reviews(19)
Questions(0)

Updating Results

10/02/22

NANCY K.

07/18/21

Works Great

used to create a whole house air filter as shown on Ask This Old House.

Stephen B.

12/04/20

Came exactly as advertised in

Came exactly as advertised in good shipping. Fits perfectly. Items are undamaged.

Maria B.

05/07/20

Great selection of filters

Great selection of filters. So glad they have filters of all sizes, could not find these (18x20x4) in store. Website was easy to order from. Order arrived on time and undamaged. Great service and filters are of great quality!

Julie M.

10/23/19

Great place for hard to find sizes

My furnace filters are huge and I appreciate being able to have them delivered.

James B.

01/19/19

I appreciate the many filter

I appreciate the many filter options and the online ease of purchasing filters and having them delivered.

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Reviews for 18x20x4 MERV 13 Pleated Air Filter

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