Water Coolers

Aquarium heater PTC Ceramic for Salt and Fresh Water, Digital LED Display Submersible Heater With External Thermostat Controller, Adjustable Fish Tank Heater Over-Heat Protection: After set the temp you want, automatic switch device and temperature detection system, water heater will turn off automatically when its temp reaches your pre-set temp, also will turn on automatically when lower than your set,... Aquarium heater PTC Ceramic for Salt and Fresh Water, Digital LED Display Submersible Heater With External Thermostat Controller, Adjustable Fish Tank Heater