Stainless Steel 304 Cast Pipe Fitting, Cross, MSS SP-114, 3/8" NPT Female Cross fitting for connecting and branching four pieces of pipe Female National Pipe Taper (NPT) threads on all four ends for connecting male pipes Made of stainless steel 304 for strength Low carbon content for greater resistance to corrosion Meets standards MSS SP-114, ANSI B1.20.1, and ASTM A351 for quality assurance