FLANDERS 10055.01163 EZ Flow II MERV 4 Economy Fiberglass Air Filter, 16X30X1 In. - 119167 FLANDERS EZ flow II MERV 4 economy fiberglass air filter, 16X30X1 in Economy fiberglass EZ flow II disposable filters are designed for protection of furnace and central air units in residential and light commercial applications This is manufactured in United States