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20x21x1 Air Filter Merv 8
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20x21x1 Air Filter MERV 13

AC Furnace Air Filter 20x21x1 -Inches MERV 13

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Product Description

Item Model Number: FKFB20X21A
Brand: Filter King
Air Filter size: 20x21x1
Actual Size: 20 x 21 x .75
1-Inch Filter
MERV 8 Air Filter Rating
Protection From: Pollen, Household Dust, Mold Spores, Dust Mites mold, Bacteria, Pet Dander, Smoke, Viruses
Residential / Commercial Use

Manufactured in the US

20x21x1a Air Filter Reviews