Pared down, practical and nothing short of perfect, the Atrio® faucet collection is the ultimate fusion of sophisticated design and precision performance you've come to expect from GROHE. Defined by cylindrical shapes that are, at once, modern, timeless and in perfect harmony, nothing satisfies like the beauty of Atrio®. GROHE Valve Trim, Series: 19866_3, Atrio® Collection, 6.1 gpm Shower Flow Rate, 1 Handle, Lever Handle, 7-7/16 in Dia x 9/16 in THK Trim, 1222 Pressure Balanced, 1 Spray Function, 45 psi Pressure, Wall Mounting, For Use With: GrohSafe™3.0 35015/35064/35065/35066 Universal Rough-In Valves, Plastic, Polished Chrome, 4-5/8 in L x 6-11/16 in W x 6-11/16 in H Dimensions, Residential Commercial/Residential