The Delta R10000-UNWS is a universal showering component rough-in valve featuring 1/2" ID copper sweat x 1/2" OD copper sweat connections with a brass body for durability and corrosion resistance. Inlet diameter, outlet diameter, and inlet size are all 1/2". This is a rough-in valve only — trim kit sold separately. Like-new, in-box condition with no damage or missing parts. Compatible with most Delta MultiChoice Universal trim kits for flexible future upgrades.