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, Timeless, Atrio®, 5.3 gpm Bottom and 2.9 gpm Top Valve Flow Rate, Lever, 6-11/16 in Dia x 4-3/16 to 5-3/8 in D Trim, Pressure Balanced Valve/Cartridge, 2 Spray Functions, 45 psi Bottom/Top Outlet, Wall Mount, StarLight® Polished Chrome, Import