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ASTM Sch40 (ASTM-d-2665) Standard for Drainage Water (DWV) UPVC Plastic Fitting U-Trap, Find Details and Price about Plastic Fitting Plastic Fittings from ASTM Sch40 (ASTM-d-2665) Standard for Drainage Water (DWV) UPVC Plastic Fitting U-Trap - Zhejiang Liutong Plastics Co., Ltd.