The GROHE SPA Atrio Pressure Balance Valve Trim with Cartridge enhances a soothing, at-home spa setting with its clean, minimalist design. Equipped with a double ceramic pressure balance cartridge to provide both consistent water temperature and smooth, flawless operation. GROHE, 14214GN0, Tub/Shower Bundle, Atrio New Collection, 5.2 gpm Bottom/3 gpm Top Shower Flow Rate, 2 Handles, Metal Lever Handle, 4-1/2 in H x 2-5/16 to 3-1/4 in D Trim, Double Ceramic Pressure Balanced Cartridge, 45 psi Pressure, Wall Mounting, For Use With: GrohSafe 3.0 Rough-In Valve, Zinc/Metal/Plastic, Brushed Cool Sunrise, 165 mm H x 158 mm W x 59 mm L Dimensions