Inlet / Outlet Port Size1/2 in NPT Male Inlet x 3/4 in NPT Female Outlet. Factory Wire Seal Intact. Adapter IncludedTri-Clamp / Tri-Clover Sanitary Flange Adapter. 316 Stainless Steel Construction: Designed for high-purity, bioprocess, chemical, and sanitary fluid applications requiring maximum corrosion resistance.