Special Features:

Item is integral to the filter and protects the system from airborne contaminants; it along with the fill port option can eliminate the need for a standard filler/breather cap; the tank top filter of which this is a part, is used for fta, ftb and ftc series

Properties:

A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. see also cap, vent, fuel storage tank. excludes ventalator (as modified).