... 3.layers: 4layer or 2 layer concrete pump rubber hoseWe can supply all model rubber hose ... used in concrete pump Length: 3m 4m,5m layer: 2 layer ... or 4layer pressure: 85BARProduct details:Name Concrete Pump Rubber hose Size DN125(5"), DN100(4")Length ... 20,000cubic metersHode Ends Galvanized or painting Application Pump Truck Schwing , Putzmeister , Kyokuto,etc.Pictures ...