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AllergyZone - FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter, Up To 25” Long

 

AllergyZone - FilterLock Filter Slot Seal – Seal Cover for Any 1” Furnace Filter, Up To 25” Long

$9.99

FilterLock is a patented two-piece system designed for use with 1-inch furnace filters. FilterLock eliminates air leakage in your HVAC system to help reduce utility bills and save energy. FilterLock also improves indoor air quality by blocking allergens, dust, and gases such as carbon monoxide from entering your home. 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. Universal one-size-fits-all. Approximately 25 x 4.8 x 0.1 inches when both pieces are installed.

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