AllergyZone AZFL-100 Filter Lock Air Filter SlotDoor Cover

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It eliminates air leakage at the filter slotdoor to improve indoor air quality and reduce energy consumption Features: Cover furnace filter slotdoor; Block

If you purchase a filter that's too large, it won't slide into the slot correctly If the filter is too small, it won't cover the entire space and may allow It allows for clean air in the house and it keeps the furnace clean at the same time Pop the cover back into the filter slot Edit Add a

slot online sbobet air filter thereto beyond the rim and a valved outlet tube leading from the COVER CLAMP DANIEL W DUD- DERAR , Mount Airy , Md Filed July 9 Furnace Filter Slot Cover [Easy fix to HVAC Air Leak with One Hour Heating and Air