Home / Air Filter Sizes / 18x20x4
Brand: Filter King
Filter size: 18x20x4
Actual Size: 17.5 x 19.5 x 3.75
MERV 8 Filter Rating
Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses
Residential / Commercial Use
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