Flanders 10055.01142 EZ Flow II MERV 4 Economy Fiberglass Air Filter, 14X18X1 in, 12Per Case - 2488618 FLANDERS EZ flow II MERV 4 economy fiberglass air filter, 14X18X1 in., 12 per case General: 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 Mexico