Color/Finish:Satin Two-handle thermostat trim with separate volume control.Thermostatically controlled for the ultimate in scald protection and safety. Favorite shower temperature can be set on an easy-to-read dial. Ceramic disc valving assures drip-free performance for life. Durable brass construction. Hot limit safety stop protects from accidental scalding. High flow rate, ideal for multiple shower outlets. One knob sets desired temperature, while the other functions as an off/on switch and volume control.Note: Required rough-in valve is not included; see accessories to purchase. If unit is used as a bath/shower control a separate diverter valve (such as 1660.430 or 1660.440) or diverter tub spout is required. Use with a diverter tub spout would also require twin ell model #8888.120.