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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

17x21x1

17x21x1

MERV 8

$10.81 $9.73 $9.51 $9.19 $8.11 $7.57
Add to Cart

20x21x1

20x21x1

MERV 8

$11.58 $10.42 $10.19 $9.84 $8.69 $8.11
Add to Cart

16x21x1

16x21x1

MERV 8

$10.81 $9.73 $9.51 $9.19 $8.11 $7.57
Add to Cart

19x21x1

18.5x20.5x1

MERV 8

$10.81 $9.73 $9.51 $9.19 $8.11 $7.57
Add to Cart

13x21x1

13x21x1

MERV 8

$9.46 $8.51 $8.32 $8.04 $7.10 $6.62
Add to Cart

16.5x21x1

16.5x21x1

MERV 8

$10.81 $9.73 $9.51 $9.19 $8.11 $7.57
Add to Cart

21x21x1

20.5x20.5x1

MERV 8

$11.58 $10.42 $10.19 $9.84 $8.69 $8.11
Add to Cart

11.5x21x1

11.5x21x1

MERV 8

$12.16 $10.94 $10.70 $10.34 $9.12 $8.51
Add to Cart

19.5x21x1

19.5x21x1

MERV 8

$12.03 $10.83 $10.59 $10.23 $9.02 $8.42
Add to Cart

16.25x21x1

16.25x21x1

MERV 8

$10.81 $9.73 $9.51 $9.19 $8.11 $7.57
Add to Cart