Max Pond Vol (Light Stock): 16500gls/75000 lts - Max Pond Vol (Med Stock): 11000 gls/50000 lts - Max Koi Load 1% Feed Rate: 350lb/150 kg - Max Feed Rate Per Day: 3.50 lb/1.5kg - Max Rec Flow Rate: 5600 gph - Size: 2.25cm High x 0.79cm Dia - Max Head of pump at least 2.5m more than working head or exceed 5m