1.8 GPM flow rate. 1.5 GPM aerator available (order 941-372 separately) 1 or 3-Hole installation; deck plate or single hole mounting option Two function pull-out spray 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).