Sand Suction Rubber Hose The sand-discharging rubber hose produced is composed of a steel wire-wound cloth-reinforced rubber hose, which is composed of an inner rubber layer, a multi-layer cloth-wound layer, a wound steel wire layer, a middle rubber layer, a multi-layer cloth-reinforced layer, and an outer rubber layer. The structure is good, and the steel wire winding enhances the strength and hardness so that the water will not be sucked off the side when it is sucked