... ,DN100,DN125,DN150,DN175,DN200 2.Material:rubber 3.Color: White,Black Truck-mounted concrete ... (coupling)clamp , male and female flange ,rubber hose,sponge rubber ball,wear plate etc. Welcome to contact us ... DN125,DN150,according to your request6.rubber items( adopt natural rubber) rubber hose:DN 125mm and DN 150mm ... 4 meters,other sizes upon your request rubber piston/gasket:DN 125mm and DN 150mmrubber ...