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MERV Rating
MERV 8 (1)
MERV 11 (1)
MERV 13 (1)
Nominal Length
20 (3)
Nominal Width
21 (3)
Nominal Depth
1" (3)
20x21x1 Air Filter
Nominal Size
Actual Size
Merv Rating
Bulk Quantity Pricing
4
6
12
48
72
120
Quantity
20x21x1
20x21x1
MERV 11
$16.57
$14.91
$14.58
$14.08
$12.43
$11.60
Add to Cart
20x21x1
20x21x1
MERV 8
$11.58
$10.42
$10.19
$9.84
$8.69
$8.11
Add to Cart
20x21x1
20x21x1
MERV 13
$19.66
$17.69
$17.30
$16.71
$14.75
$13.76
Add to Cart