19231R00 Finish: Polished Brass, Connections: 1/2" Effortlessly control your water"s temperature with Grohe"s Thermostatic Trim. With it"s sleek design and vibrant finishes, this trim is sure to complement any decor. A rough-in valve and seperate volume control are required for full installation. Choose your trim for compatibility with 1/2" or 3/4" connections. Features: -Available in chrome, satin nickel or polished brass -Grip Ring Temperature Control -Requires separate volume control -Choice of 1/2" or 3/4" connections -Must use with GROHTHERM 1/2" Rough-In Valve 34 122 or GROHTHERM 3/4" Rough-In Valve 34 124 -Overall dimensions: 10" L x 8" W x 2.75" H