Pre-Pleated Furnace Air Filter – 20 X 25 X 4 Inches, Merv 40

Description

20″ x 25″ x 4″, pre-pleat 40 air filter, 100% synthetic, high dust holding capacity & low pressure drop, 2 piece heavy duty die cut frame, expanded metal backing & diagonal grid supports for maximum strength, merv rating 8, 90 day filter, effective against pollen, dust/lint, dust mites, pet dander, mold, bacteria, virus carriers.

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