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FilterLock® by AllergyZone stops dirty, unfiltered air from entering your home through an open or poorly sealed air filter slotdoor on your heating and air

Easy to install Magnetically attaches to ductwork to cover furnace filter slot door Two-piece design works with any 1-inch furnace filter up to 25 inches long Buy E-outstanding PCI Slot Cover 6PCS Black Dust Filter Bracket Expansion Blank Plate PC Computer Case Blank with 6PCS Screws Online from USA with free

slot domino island FilterLock® by AllergyZone stops dirty, unfiltered air from entering your home through an open or poorly sealed air filter slotdoor on your heating and air FilterLock satisfies the department of energy recommendation that the furnace filter slot be covered to avoid air leaks; Click here to learn more about Eco