Dixon 150-E-AL Aluminum 356T6 Boss-Lock Type E Cam and Groove Hose Fitting, 1-1/2" Plug x 1-1/2" Hose ID Barbed Cam and groove fitting with safety clips that lock into lugs for a secure connection One male groove adapter end for connecting to female cam couplers and one hose shank end for connecting to hoses (Type E) Aluminum for resisting corrosion and tarnishing