AllergyZone 1 in. FilterLock Furnace Filter Slot for HVAC Filters

FilterLock can be used with any 1 in. air filter to improve indoor air quality and reduce energy consumption. The patented, 1-size-fits-all product effectively seals the filter slot/door after the filter is installed, to eliminate the possibility of harmful airborne allergens and pollutants from entering the HVAC system due to air leakage. FilterLock is used by heating and air conditioning, energy auditing and weatherization professionals to stop air leakage, enhance HVAC system integrity and improve the...