Flanders EZ Flow Filter

Fiberglass 4 Merv Air Filter Features Fiberglass 1″ Filters Removes household dust, pollen, and lint Continuous chipboard design guards against corner separation while the one-sided metal media retainer adds to the filter strength Each filter maintains efficiency for up to 30 days Compatible with HVAC systems requiring filters Pack of 12Specifications Country of Origin: United States Height: 8 in.