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Source 1 S1-FM313 by Aprilaire

SKU: S1-FM313
MPN: 908603
$62.95
Product description

Aprilaire(313) Replacement Media S1-FM313 MERV 13 S1-TM11PAC20202A, Also fit S1-FM310 Merv 11
1 each

Products specifications
MERV Rating 13
OEM Product Yes
Filter Size Other
Filter Size 4 Inch
Choose Size 19x20x4
Actual Size 19-3/4 x 18-1/2 x 4-1/8
Form Factor Expandable Filter
Model Number S1-FM313
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