AmeriVent 4EF Roof Vent Flashing 16-3/8 in OAL 13-3/4 in OAW Galvanized Steel

The standard flashing fits flat to 5/12 pitch roof and is made of double-seamed construction for protection from leakage. For a standard flashing with a 6 in skirt, the model number reads the size and EFFU or RFFU.