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18x20x4 Air Filter

Nominal Size

Actual Size

Merv Rating

Bulk Quantity Pricing

4	6	12	48	72	120

Quantity

18x20x4

17.5x19.5x4

MERV 8

$23.91

$21.52

$21.04

$20.32

$17.93

$16.74

18x20x4

17.5x19.5x4

MERV 13

$25.16

$22.64

$22.14

$21.39

$18.87

$17.61

18x20x4

17.5x19.5x4

MERV 11

$25.57

$23.01

$22.50

$21.73

$19.18

$17.90

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MERV Rating

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Nominal Width

Nominal Depth

18x20x4 Air Filter

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