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11.5x21x4 Air Filter

Nominal Size
Actual Size
Merv Rating

Bulk Quantity Pricing

4 6 12 48 72 120
Quantity

11.5x21x4

MERV 8

$16.68 $15.01 $14.68 $14.18 $12.51 $11.68

11.5x21x4

MERV 13

$27.45 $24.71 $24.16 $23.33 $20.59 $19.22

11.5x21x4

MERV 11

$17.85 $16.07 $15.71 $15.17 $13.39 $12.50