Stainless steel conduit couplings provide a means of joining conduit, elbows, nipples, etc. Couplings are threaded straight through and are designed for use with NPT threaded conduit products. Gibson Stainless offers conduit couplings in Type 316 SS and Type 304 SS.Material: 316 SS and 304 SSStandards: ASTM A312Compliances: UL Listed for Canada and US (Standard 6A)UL File Number DYWV.E300683Canada UL File Number DYWV7.E300683100% Made in USA