2WK Elbow 45° is a T304/T316L stainless steel sanitary fitting available in sizes from 1" to 8" OD. It has a mechanically polished surface finish of 32Ra externally and 20Ra internally, and can be used with EPDM, Silicone, FPM, or PTFE gaskets. This fitting meets 3-A Sanitary Standards for Sanitary Fittings, Number 63-04.