pvc pipe cover water supply or drainage/sewage white or grey or others ... , Reducer, Standard Valve, Union, Cross, Flange, Blind Board, Flange, Floor Drain etc. STANDARD OD(mm) 20mm25mm32mm40mm50mm63mm75mm90mm110mm125mm140mm160mm180mm200mm250mm PVC materialThe specifications can be ... , please send the specifications to us for reference. pvc pipe cover