The Exhale® wall supply elbow features a low-profile design, keeping the handshower hose connection close to the wall. An integrated check valve prevents backflow. Metal construction ensures long-lasting durability. Coordinate it with an Exhale® handshower, showerhead, and accessories for a complete performance showering system. Kohler® Supply Elbow, Wall Mount, Exhale™, 1/2 in x G1/2 Nominal, NPT x Hose, Metal, Polished Chrome, 2-1/4 in L x 2 in W