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21x22x2

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4	6	12	48	72	120

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21x22x2

20.5x21.5x2

MERV 8

$16.39

$14.75

$14.42

$13.93

$12.29

$11.47

21x22x2

20.5x21.5x2

MERV 13

$20.58

$18.52

$18.11

$17.49

$15.44

$14.41

21x22x2

20.5x21.5x2

MERV 11

$19.25

$17.33

$16.94

$16.36

$14.44

$13.48

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21x22x2

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