1.model:DN125*3000mm 2.material:natural rubber,steel wire 3.layers: 4layer or 2 layer concrete pump rubber hoseWe can supply ... all model rubber hose used in concrete pump Length: 3m 4m ... 2 layer or 4layer pressure: 85BARProduct details:Name Concrete Pump Rubber hose Size DN125(5"), DN100(4")Length 3000mm,4000mm,5000mm,6000mmReinforment ...