21x21x4 (Actual Size) MERV 8
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21x21x4 (Actual Size) MERV 821x21x4 (Actual Size) MERV 1121x21x4 (Actual Size) MERV 1321x21x4 (Actual Size) Carbon MERV 10

21x21x4 Air Filter

Quantity of Filters per Case: 3
Efficiency Rating: MERV 8
Nominal (Actual) Dimensions: 21x21x4 (20.5 x 20.5 x 3.75)
Price:
$ 86.90

Description

Filter Hut's Accumulair 21x21x4 air filter is solely built to be compatible with same sized 21x21x4 air filter type. Pleated static charged filter material captures airborne substances according to the ASHRAE MERV rating. Chemical free material. Notice: The sample filter picture as shown is not to scale and is shown for design purposes.

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