Commercial Duty Water PuppyFlow rate: 34 litres/min (9 USgallons/min)Self-priming from dry up to 1.2m (4ft)Features: Small bilge debris present no problem to these bronze bodied, flexible impeller pumps. Simple design means fewer wearing parts. ISO 8846 MARINE (Ignition protection). ISO 8849 MARINE (Bilge pump standard). MotorPermanent magnet type, fully enclosed, stainless steel shaft, ball type shaft bearing, has adequate torque to reverse the pump Port Type1/2" Internal Pipe Threads 1" External Hose Barb Adapter for 3/4 " External Garden Hose Thread included WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Gallons Per Minute: 9 GPM Max PSI: 2.1-8.7 Volts: 12v Box Dimensions: 5"H x 6"W x 10"L WT: 6.9 lbs UPC: 671880532129 Owner&';s Manual (pdf)