... or ASTM B124Size1/4",3/8",1/2",3/4",1"(DN15,DN20,DN25,DN32,DN40,DN50) or according to drawings, samples and accurate size.SurfaceYellow ... , nipple, crossover, cap, coupling and compression fittings etc. of different sizes are suppliable, OEM/ODM welcome. SIZE1/4"3/8"1/2"3/4"1"