Product Origin: China Material: S.S. 304 or S.S. 316 Brand Name: Manifold RD-80044SS Payment Terms: T/T or L/C Minimum Order: 1,000 pcs Main Processing:the surface should be cleaned without burr . PS: This products is mainly used in plumbing joints. The screw thread size is 1/2' or 3/4' , the both sides is the outer thread , the other is inside the thread .