19x21x4 Merv 8 Air Filter | Furnace Filter 19 x 21 x 4″

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19x21x4 Air Filter

AC Furnace Air Filter 19x21x4-Inches | MERV 8

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Product Description

Brand: Filter King
Filter size: 19x21x4
Actual Size: 18.5 x 20.5 x 3.75
4-Inch Filter
MERV 8 Filter Rating
Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses
Residential / Commercial Use