Water Heater 1.Advanced design 2.Safe operation 3.Dry heating protection device built in 4.Submersible SUBMERSIBLE GLASS WATER HEATERBrand New Heater - Plug in Ready to Operate!!!Water Heater: This aquarium pond fish tank water heater is to keep the water temperature inside the tank steady and even allow temperature distribution in larger aquariumsSpecifications:Advanced designSafe opeartionDry ...