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21x23x4 (Actual Size) MERV 821x23x4 (Actual Size) MERV 1121x23x4 (Actual Size) MERV 1321x23x4 (Actual Size) Carbon MERV 10

21x23x4 Air Filter

Quantity of Filters per Case: 3
Efficiency Rating: MERV 8
Nominal (Actual) Dimensions: 21x23x4 (Actual Size)
Price:
$ 108.90

Description

Filter Hut's Accumulair 21x23x4 air filter is solely constructed to replace similarly sized 21x23x4 air filter specification. Pleated electrostatically charged filter material traps contaminants relative to its ASHRAE MERV specification. Chemical free. Note: The sample filter picture displayed is not to scale and is shown for construction only.

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