EZ-Fluid Plumbing Thick Heavy Duty 17GA Chrome Brass 1-1/2" X 8" Dishwasher Branch Tailpiece Slip Joint Direct Connect with 7/8" Dishwasher Drain Hose Outlet,Brass Nut ,Flanged Sink Drainage Pipe,P-Trap. will not corrode or oxidize Use to connect between the Sink Drain Pipe and P-trap. This Type of Tail Piece NOT For Garbage Disposals 17 GA Heavy Duty Brass Construction 1-1/2" X 8" Dishwasher Branch Tailpiece Extension The 7/8" Dishwasher Drainage Pipe Branch Outlet For Dishwasher Drainage Discharge Hose.or Air Gap 1-1/2 in. x 8 in. Brass Flanged TailPiece Plain-End Branch Dishwasher Wye Tailpiece can be used to connect a dishwasher discharge hose to a kitchen sink drain. 17 GA Heavy Duty Brass construction, Chrome-plated finish, Maximum working pressure of 15 psi, Easy installation, Connect to the dishwasher discharge hose.