1.model:DN125*3000mm 2.material:natural rubber,steel wire 3.layers: 4layer or ... Concrete Pump Rubber hose Size DN125(5"), DN100(4")Length 3000mm,4000mm,5000mm,6000mmReinforment Three plies of Steel Wire Hose Ends148mm ... painting Application Pump Truck Schwing , Putzmeister , Kyokuto,etc.Pictures DN125*3000mm concrete pump rubber hose