SEARCH BY FILTER SIZE

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

21x21x1

20.5x20.5x1

MERV 8

$11.58 $10.42 $10.19 $9.84 $8.69 $8.11
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21x21x2

20.5x20.5x2

MERV 8

$15.63 $14.07 $13.75 $13.29 $11.72 $10.94
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21x21x4

20.5x20.5x4

MERV 8

$24.07 $21.66 $21.18 $20.46 $18.05 $16.85
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21x22x1

20.5x21.5x1

MERV 8

$11.36 $10.22 $10.00 $9.66 $8.52 $7.95
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21x22x2

20.5x21.5x2

MERV 8

$16.39 $14.75 $14.42 $13.93 $12.29 $11.47
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21x22x4

20.5x21.5x4

MERV 8

$28.06 $25.25 $24.69 $23.85 $21.05 $19.64
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21x23.25x1

21x23.25x1

MERV 8

$11.36 $10.22 $10.00 $9.66 $8.52 $7.95
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21x23.25x2

21x23.25x2

MERV 8

$16.39 $14.75 $14.42 $13.93 $12.29 $11.47
Add to Cart

21x23.25x4

21x23.25x4

MERV 8

$28.06 $25.25 $24.69 $23.85 $21.05 $19.64
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21x23x1

21x23x1

MERV 8

$11.36 $10.22 $10.00 $9.66 $8.52 $7.95
Add to Cart