The Aqua Zonic Evo Submersible water pumps are low wattage powerful pumps ideal for use in Aquariums，  as sump pumps， water feature pumps， pond pumps or Quarantine Tanks Features Ceramic Shaft for Longer Life Energy Saving - low wattage Fresh or Salt Water Use Powerful & Reliable Silent Running Over Heating Protection Easy to Maintain Specifications: PH116 Evo 06 Pump: Flow Rate 4000L/H， Max Head Height 4m， Power Consumption 85W.