These valves have a PVC construction and are for use in hot or cold fluid systems up to 140°. Available in 1/2" and 3/4" sizes they have a white color PVC body with red wheel handle. Polypropylene seal for chemical resistance. Inlet is MIPT thread, outlet is MGHT (male garden hose thread). Complies with all ASTM and ANSI standards. Made in USA.