FilterLOCK

FilterLOCKĀ® seals furnace and air conditioning air filter slots to reduce utility bills and improve indoor air quality. Benefits: Saves Energy and Reduces Utility Bills Improves Indoor Air Quality Blocks Allergens and Contaminates From Entering Duct System Year-Round Protection and Savings Features: Universal Fit - Adjusts to Fit all Standard One Inch Air Filters Reusable: Easy-On and Easy-Off Magnetically Attaches to Metal Ducts Made in the USA

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