Dixon G400-E-AL Aluminum A380 Global Type E Cam and Groove Hose Fitting, 4" Plug x 4" Hose ID Barbed Straight body with two openings for connecting two hoses or pipes with cam and groove fittings 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