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11.5x21x1 (3)
11.5x21x2 (3)
11.5x21x3.63 (3)
12.5x20.5x3.63 (3)
12.5x21x1 (3)
12.5x21x2 (3)
12.5x21x3.63 (3)
12.75x21x1 (3)
12.75x21x2 (3)
12.75x21x3.63 (3)
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)
11.5x23.5x1 (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)
12.5x23.5x3.63 (0)
12.5x24.5x1 (0)
12.5x24.5x2 (0)
12.5x24.5x3.63 (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)

Air filters

Nominal Size
Actual Size
Merv Rating

Bulk Quantity Pricing

1-4 6 12 48 72 120
Quantity

13x21x1

13x21x1

MERV 11

$14.43 $12.99 $12.70 $12.27 $10.82 $10.10
Add to Cart

16.5x21x1

16.5x21x1

MERV 11

$16.57 $14.91 $14.58 $14.08 $12.43 $11.60
Add to Cart

16.5x21x1

16.5x21x1

MERV 13

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

16.25x21x4

16.25x21x3.63

MERV 8

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

16x21x4

15.5x20.5x3.63

MERV 13

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

17x21x2

17x21x2

MERV 11

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

17x21x4

17x21x3.63

MERV 8

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

17x21x4

17x21x3.63

MERV 13

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

20x21x1

20x21x1

MERV 13

$19.66 $17.69 $17.30 $16.71 $14.75 $13.76
Add to Cart

20x21x2

20x21x2

MERV 11

$20.88 $18.79 $18.37 $17.75 $15.66 $14.62
Add to Cart