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20x25x4, Furnace FilterSpaceGard Box 20x25x4 MERV 13
SG213-BOX-13R | BestAir® 20 x 25 x 4, Air Cleaning Furnace Filter, MERV 13, Removes Allergens & Contaminants, For Aprilaire/SpaceGard Models
Product Tag - 2210
SG213-BOX-13R | BestAir® 20 x 25 x 4, Air Cleaning Furnace Filter, MERV 13, Removes Allergens & Contaminants, For Aprilaire/SpaceGard Models