Save time and have a clean, professional installation with trusted Jones Stephens copper tub/shower valve connectors. These valve connectors connect to ASTM F1960 (cold expansion style) PEX and make the bend into a tub/shower valve, allowing for installation in tight spaces and reducing the number of fittings required. These connectors are tested and listed by IAPMO and are approved for use in drinking water services in the USA and Canada.