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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)
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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)
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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)
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13.5x27.5x3.63 (0)
13.5x29.5x1 (0)
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13.5x29.5x3.63 (0)
13.5x35.5x1 (0)
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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

16.25x21.25x4

16.25x21.25x3.63

MERV 11

$25.57 $23.01 $22.50 $21.73 $19.18 $17.90
Add to Cart

16.25x21.25x4

16.25x21.25x3.63

MERV 13

$25.16 $22.64 $22.14 $21.39 $18.87 $17.61
Add to Cart

16.25x21.25x4

16.25x21.25x3.63

MERV 8

$23.91 $21.52 $21.04 $20.32 $17.93 $16.74
Add to Cart

19.25x21.25x4

19.25x21.25x3.63

MERV 11

$28.23 $25.41 $24.84 $24.00 $21.17 $19.76
Add to Cart

19.25x21.25x4

19.25x21.25x3.63

MERV 13

$27.45 $24.71 $24.16 $23.33 $20.59 $19.22
Add to Cart

19.25x21.25x4

19.25x21.25x3.63

MERV 8

$26.40 $23.76 $23.23 $22.44 $19.80 $18.48
Add to Cart

21.25x21.25x4

21.25x21.25x4

MERV 11

$36.78 $33.10 $32.37 $31.26 $27.59 $25.75
Add to Cart

21.25x21.25x4

21.25x21.25x4

MERV 13

$29.74 $26.77 $26.17 $25.28 $22.31 $20.82
Add to Cart

21.25x21.25x4

21.25x21.25x4

MERV 8

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