Made in the USA from 304 stainless steel. This quick disconnect seals up very well without a lot of work in connecting them. Does not work in conjunction with any plastic or brass quick disconnects. Features a 1/2" Barb on the ends for easy connectivity to any 1/2" tubing you may have. The quick disconnect will hold pressure for typical brewing applications when moving liquids at 60psi or less. 3/8" ID. Gasket temperature range is -40° to 250° F. Open port, does not have shut-off.