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18x22x4 / MERV 10 Carbon
Item Model Number: FKFO18X22X4 Brand: Filter King Filter size: 18x22x4 Actual Size: 17.5 x 21.5 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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