Brennan 5000-02-02-SS Stainless Steel Pipe Fitting, Coupling, 1/8" NPT Female Coupling for connecting two pipes going in the same direction Female National Pipe Taper (NPT) threads on both ends for connecting two male threaded pipes Made from stainless steel 316 for greater corrosion resistance than stainless steel 304 NPT threads for creating tighter seals than straight threads Meets SAE J514 specifications for quality assurance