21.25x21.25x4 Air Filters | Custom Sizes Available

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21.25x21.25x4

Nominal Size

Actual Size

Merv Rating

Bulk Quantity Pricing

4	6	12	48	72	120

Quantity

MERV 11

$36.78

$33.10

$32.37

$31.26

$27.59

$25.75

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