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MERV Rating
MERV 8 (1)
MERV 11 (1)
MERV 13 (1)
Nominal Length
16.5 (3)
Nominal Width
21 (3)
Nominal Depth
4" (3)
16.5x21x4
Nominal Size
Actual Size
Merv Rating
Bulk Quantity Pricing
4
6
12
48
72
120
Quantity
16.5x21x4
16.5x21x4
MERV 8
$23.91
$21.52
$21.04
$20.32
$17.93
$16.74
Add to Cart
16.5x21x4
16.5x21x4
MERV 13
$25.16
$22.64
$22.14
$21.39
$18.87
$17.61
Add to Cart
16.5x21x4
16.5x21x4
MERV 11
$25.57
$23.01
$22.50
$21.73
$19.18
$17.90
Add to Cart