20x21x4 MERV 11 Pleated Air Filter

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4 20x21x4 Air Filter for 38.39 each

20x21x4 MERV 11 filters made and manufactured by FilterBuy
Actual Size 20x21x4"
Attracts and captures pet dander, lint, dust, pollen, dust mite debris, mold spores, smoke, and smog.
Ideal for standard and residential commercial use
Designed to last 90 days. Replace regularly for optimum performance.
Free shipping on all orders!

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12/05/19

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