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MERV Rating
MERV 8 (1)
MERV 11 (1)
MERV 13 (1)
Nominal Length
17 (1)
Nominal Width
21 (1)
Nominal Depth
4" (1)
17x21x4 Air Filter
Nominal Size
Actual Size
Merv Rating
Bulk Quantity Pricing
1-4
6
12
48
72
120
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17x21x4
17x21x3.63
MERV 8
$23.91
$21.52
$21.04
$20.32
$17.93
$16.74
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