HydroMaxx 3" Diameter x 25' 4 Bar Heavy Duty Reinforced PVC Lay Flat Discharge and Backwash Hose The pvc tube and the cover of the hose are extruded simultaneously to ensure maximum bonding and high quality Manufactured with a continuous high tensile strength polyester fiber circularly woven to provide reinforcement Formulated with uv protectors, working temperatures - 5 degrees f to 149 degrees f