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10x18x1 (0)
10x18x2 (0)
11.25x11.25x1 (0)
11.25x11.25x2 (0)
11.25x11.25x3.63 (0)
11.25x19.25x1 (0)
11.25x19.25x2 (0)
11.25x19.25x3.63 (0)
11.25x23.25x1 (0)
11.25x23.25x2 (0)
11.25x23.25x3.63 (0)
11.5x11.5x1 (0)
11.5x11.5x2 (0)
11.5x11.5x3.63 (0)
11.5x14.5x1 (0)
11.5x14.5x2 (0)
11.5x14.5x3.63 (0)
11.5x15.5x1 (0)
11.5x15.5x2 (0)
11.5x15.5x3.63 (0)
11.5x17.5x1 (0)
11.5x19.5x1 (0)
11.5x19.5x2 (0)
11.5x19.5x3.63 (0)
11.5x21.5x3.63 (0)
11.5x21x1 (0)
11.5x21x2 (0)
11.5x21x3.63 (0)
11.5x23.5x1 (0)
11.5x24.5x1 (0)
11.5x24.5x2 (0)
11.5x24.5x3.63 (0)
11.5x25.5x1 (0)
11.5x25.5x2 (0)
11.5x25.5x3.63 (0)
11.5x26.5x1 (0)
11.5x26.5x2 (0)
11.5x26.5x3.63 (0)
11.5x29.5x1 (0)
11.5x29.5x2 (0)
11.5x29.5x3.63 (0)
11.5x35.5x1 (0)
11.5x35.5x2 (0)
11.5x35.5x3.63 (0)
11.75x11.75x1 (0)
11.75x17.75x2 (0)
11.75x17.75x3.63 (0)
11.75x23.75x2 (0)
11.75x23.75x3.63 (0)
11.88x16.88x2 (0)
12.5x17.5x3.63 (0)
12.5x19.5x3.63 (0)
12.5x20.5x3.63 (0)
12.5x21x1 (0)
12.5x21x2 (0)
12.5x21x3.63 (0)
12.5x23.5x3.63 (0)
12.5x24.5x1 (0)
12.5x24.5x2 (0)
12.5x24.5x3.63 (0)
12.75x21x1 (0)
12.75x21x2 (0)
12.75x21x3.63 (0)
12x22x1 (0)
12x22x2 (0)
12x26.5x1 (0)
12x26.5x2 (0)
12x26.5x3.63 (0)
12x30.5x1 (0)
12x30.5x2 (0)
12x30.5x3.63 (0)
13.25x13.25x1 (0)
13.25x13.25x2 (0)
13.25x13.25x3.63 (0)
13.5x13.5x2 (0)
13.5x13.5x3.63 (0)
13.5x17.5x1 (0)
13.5x17.5x2 (0)
13.5x17.5x3.63 (0)
13.5x19.5x2 (0)
13.5x19.5x3.63 (0)
13.5x21.5x3.63 (0)
13.5x23.5x2 (0)
13.5x23.5x3.63 (0)
13.5x24.5x2 (0)
13.5x24.5x3.63 (0)
13.5x26.5x3.63 (0)
13.5x27.5x1 (0)
13.5x27.5x2 (0)
13.5x27.5x3.63 (0)
13.5x29.5x1 (0)
13.5x29.5x2 (0)
13.5x29.5x3.63 (0)
13.5x35.5x1 (0)
13.5x35.5x2 (0)
13.5x35.5x3.63 (0)
13.75x13.75x1 (0)
13.75x19.75x1 (0)
13.75x21.75x1 (0)
13.75x23.75x1 (0)

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

1-4 6 12 48 72 120
Quantity

18x18x2

17.5x17.5x2

MERV 11

$13.56 $12.20 $11.93 $11.53 $10.17 $9.49
Add to Cart

18x18x2

17.5x17.5x2

MERV 13

$18.29 $16.46 $16.10 $15.55 $13.72 $12.80
Add to Cart

18x18x2

17.5x17.5x2

MERV 8

$8.31 $7.48 $7.31 $7.06 $6.23 $5.82
Add to Cart

18x20x2

17.5x19.5x2

MERV 11

$14.95 $13.46 $13.16 $12.71 $11.21 $10.47
Add to Cart

18x20x2

17.5x19.5x2

MERV 13

$18.29 $16.46 $16.10 $15.55 $13.72 $12.80
Add to Cart

18x20x2

17.5x19.5x2

MERV 8

$13.97 $12.57 $12.29 $11.87 $10.48 $9.78
Add to Cart

18x22x2

17.5x21.5x2

MERV 11

$14.95 $13.46 $13.16 $12.71 $11.21 $10.47
Add to Cart

18x22x2

17.5x21.5x2

MERV 13

$20.58 $18.52 $18.11 $17.49 $15.44 $14.41
Add to Cart

18x22x2

17.5x21.5x2

MERV 8

$13.97 $12.57 $12.29 $11.87 $10.48 $9.78
Add to Cart

18x24x2

17.5x23.5x2

MERV 11

$11.38 $10.24 $10.01 $9.67 $8.54 $7.97
Add to Cart