professional factory material: rubber ,pu, PVC reasonable price delivery in time Suction and discharge Hose: SAE100 R4 (Suction and discharge Hose)Tube: oil resistant synthetic rubberReinforcement: textile layers, zinc plated steel wire helixCover: abrasion, oil and weather resistant synthetic rubberTemperature range (medium): -40°C to +100°C Hose IDWire ODHose ODWorking PressureBurst ...