Boxtech Submersible Aquarium Heater 300W – Explosion-Proof Automatic Digital Control Water Fish Tank Thermostat, with External Temperature Controller for 30-80 Gallon Tank Heat-Resistant Quartz Made

Electronic temperature control heater Feature: 1.Technical innovation Easy operation Precision IC inside,double-loop circuit design,Over-temperature protection, safety.Explosion-proof,auto-protection while heating air.High quality.Temperature...