Use purpose:1/4 Inch MNPT x 1/4 Inch FNPT threads for connecting to threaded pipe fittings,NPT thread size does not actual diameter, it is only nominal pipe size.
Temperature range: -300 degrees Fahrenheit to +392 degrees Fahrenheit temperature range allows you to handle your project in any environment
Package Included:2 x 90 Degree Barstock Street Elbow
Material: All parts are made of 304 stainless steel, which is hard and will not rust.