1.8 GPM flow rate 3 function pull-down sprayer 1 or 3-hole installation ; deck plate or single hole mounting option AccuDock™ sprayhead docking Pforever seal™ ceramic disc valve. Limited lifetime warranty Pfister products are designed and manufactured in compliance with the following standards and codes : IAPMO certified to ASME A112.18.1/CSA B125.1 including : ASME A112.18.3 (backflow prevention) NSF/ANSI/CAN61 : Q≤1 CEC certified/CALGreen compliant ADA compliant – ANSI A117.1 (lever handle only).