... 1.Pocket-sized volume, high flow, high efficiency, 2 small - volume but big flow centrifugal brushless water pump * Product features 1. Allow dry ... parameter ModelSize(mm)Voltage(DC,V)Power(W)Pumping rate(L/Min)Exhaust rate(L/Min)Weight(KG) SW512-20A-29082*38 ... to input power, you should be to ensure constant pressure, filter, otherwise we can not guarantee this product.2. Keep a ...