KOHLER K-99248-CP Awaken B90 Handshower with Eco-Boost Technology, Polished Chrome Eco-Boost Technology feature changes flow rate from 1.5 gpm (gallons per minute) to 2.0 gpm with the press of a button. Ensures product meets WaterSense(R), CALGreen, and LEED(R) requirements. Air-induction technology creates a more luxurious spray while using less water. Handshower features transitional nature-inspired design. Requires K-8593, K-9514, K-45981, or K-45982 shower hose (sold separately).