18x20x4 Merv 8 Air Filter | Furnace Filter 18 x 20 x 4″

18x20x4 Air Filter

AC Furnace Air Filter 18x20x4-Inches | MERV 8

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Product Description

Brand: Filter King
Filter size: 18x20x4
Actual Size: 17.5 x 19.5 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