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Build your own custom AC or furnace filter in a few easy steps
Nominal Size
Actual Size
Merv Rating

Bulk Quantity Pricing

4 6 12 48 72 120
Quantity

12x36x4

11.5x35.5x4

MERV 11

$36.78 $33.10 $32.37 $31.26 $27.59 $25.75
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12x36x4

11.5x35.5x4

MERV 13

$32.02 $28.82 $28.18 $27.22 $24.02 $22.41
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12x36x4

11.5x35.5x4

MERV 8

$28.06 $25.25 $24.69 $23.85 $21.05 $19.64
Add to Cart