Inspired by the French and Spanish architecture of the historical American South, the Riff bathroom faucet collection offers a contemporary twist on traditional design. The distinctive, square lines will elevate your space with a timeless feel. High design paired with thoughtful functionality, the Riff collection is a true modern classic. Pair this trim with a Rite-Temp® pressure-balancing valve, which maintains your desired water temperature during pressure fluctuations. Kohler®, TS23952-4-BL, Trim Kit, Series: TS23952-4, Riff Collection, 1 Handles, Lever Handle, 6-7/16 in L x 6-7/16 in W Trim, Pressure Balance Valve, Hand Shower: No, Wall Mounting, For Use With: Rite-Temp, Plastic, Matte Black