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10x18x1 (3)
10x18x2 (3)
11.25x11.25x1 (3)
11.25x11.25x2 (3)
11.25x11.25x3.63 (3)
11.25x19.25x1 (3)
11.25x19.25x2 (3)
11.25x19.25x3.63 (3)
11.25x23.25x1 (3)
11.25x23.25x2 (3)
11.25x23.25x3.63 (3)
11.5x11.5x1 (3)
11.5x11.5x2 (3)
11.5x11.5x3.63 (3)
11.5x14.5x1 (3)
11.5x14.5x2 (3)
11.5x14.5x3.63 (3)
11.5x15.5x1 (3)
11.5x15.5x2 (3)
11.5x15.5x3.63 (3)
11.5x17.5x1 (3)
11.5x19.5x1 (3)
11.5x19.5x2 (3)
11.5x19.5x3.63 (3)
11.5x21.5x3.63 (3)
11.5x21x1 (3)
11.5x21x2 (3)
11.5x21x3.63 (3)
11.5x23.5x1 (3)
11.5x24.5x1 (3)
11.5x24.5x2 (3)
11.5x24.5x3.63 (3)
11.5x25.5x1 (3)
11.5x25.5x2 (3)
11.5x25.5x3.63 (3)
11.5x26.5x1 (3)
11.5x26.5x2 (3)
11.5x26.5x3.63 (3)
11.5x29.5x1 (3)
11.5x29.5x2 (3)
11.5x29.5x3.63 (3)
11.5x35.5x1 (3)
11.5x35.5x2 (3)
11.5x35.5x3.63 (3)
11.75x11.75x1 (3)
11.75x17.75x2 (3)
11.75x17.75x3.63 (3)
11.75x23.75x2 (3)
11.75x23.75x3.63 (3)
11.88x16.88x2 (3)
12.5x17.5x3.63 (3)
12.5x19.5x3.63 (3)
12.5x20.5x3.63 (3)
12.5x21x1 (3)
12.5x21x2 (3)
12.5x21x3.63 (3)
12.5x23.5x3.63 (3)
12.5x24.5x1 (3)
12.5x24.5x2 (3)
12.5x24.5x3.63 (3)
12.75x21x1 (3)
12.75x21x2 (3)
12.75x21x3.63 (3)
12x22x1 (3)
12x22x2 (3)
12x26.5x1 (3)
12x26.5x2 (3)
12x26.5x3.63 (3)
12x30.5x1 (3)
12x30.5x2 (3)
12x30.5x3.63 (3)
13.25x13.25x1 (3)
13.25x13.25x2 (3)
13.25x13.25x3.63 (3)
13.5x13.5x2 (3)
13.5x13.5x3.63 (3)
13.5x17.5x1 (3)
13.5x17.5x2 (3)
13.5x17.5x3.63 (3)
13.5x19.5x2 (3)
13.5x19.5x3.63 (3)
13.5x21.5x3.63 (3)
13.5x23.5x2 (3)
13.5x23.5x3.63 (3)
13.5x24.5x2 (3)
13.5x24.5x3.63 (3)
13.5x26.5x3.63 (3)
13.5x27.5x1 (3)
13.5x27.5x2 (3)
13.5x27.5x3.63 (3)
13.5x29.5x1 (3)
13.5x29.5x2 (3)
13.5x29.5x3.63 (3)
13.5x35.5x1 (3)
13.5x35.5x2 (3)
13.5x35.5x3.63 (3)
13.75x13.75x1 (3)
13.75x19.75x1 (3)
13.75x21.75x1 (3)
13.75x23.75x1 (3)

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

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1-4 6 12 48 72 120
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12x24x2

11.75x23.75x2

MERV 11

$9.05 $8.15 $7.96 $7.69 $6.79 $6.34
Add to Cart

12x24x2

11.75x23.75x2

MERV 13

$16.00 $14.40 $14.08 $13.60 $12.00 $11.20
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12x24x2

11.75x23.75x2

MERV 8

$7.72 $6.95 $6.79 $6.56 $5.79 $5.40
Add to Cart