Max Pond Vol (Light Stock): 22000gls/100000 lts - Max Pond Vol (Med Stock): 14500 gls/66000 lts - Max Koi Load 1% Feed Rate: 450lb/200 kg - Max Feed Rate Per Day: 4.50 lb/2.0kg - Max Rec Flow Rate: 7200 gph - Size: 2.50cm High x 0.79cm Dia - Max Head of pump at least 2.5m more than working head or exceed 5m