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12x20x4n / MERV 10 Carbon
Item Model Number: FKFO12X20X4N Brand: Filter King Filter size: 12x20x4 Actual Size: 11.75 x 19.75 x 3.75 MERV 10 Carbon Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor Residential / Commercial Use
Manufactured in the US
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