The TOTO Three-Hole Roman Tub Filler Rough-In Valve is designed for use with a selection of TOTO three hole tub fillers. The rough-in valve is made of robust solid brass. With the purchase of the separately sold 1/2 NPSM connecting tubes, the rough-in valve is adjustable for various spreads, enabling you to customize your bathroom space. Connecting tubes and water supply hoses sold separately.