Product: Dual Protection Quartz Tube - Digital Quartz Aquarium Heater 300W 500 Watt with LED Display Indicator Automatic Submersible,Auto Temperature Fish Tank Water Heater Capacity of 30-60 Gallon
Brand: HogoR

High-power digital control quartz glass aquarium heater is specially designed for medium and large fish tank use, fast heating up for 30-120 gallon tank 
 
We now have 300W and 500W fish tank heaters available. It comes with 1 quartz glass heater, 1 IC temp controller, and 1 thermometer; the cables are all long enough for use indoors. Cautions: < please keep the heater fully under water all the time, the plastic guard will be melted if the heater exposes to the air when it's heating or not cool down. 
Features : 
Fast heating and reliable, fully automatic control 
ABS black plastic heater guard with 2 strong suction cups 
Suitable for freshwater and saltwater aquarium use 
The controller with memory functions in case of power-down 
Durable and explosion-proof quartz glass heater tube 
Very easy to install and use 
Automatically stops and restarts heating 
It will stop heating when the water temp reaches to the set temp. Please note that the water temp may go up 1℉ more because of the waste heat. When the water temp is cool down to 1℉ less than the set temp, the fish tank heater will restart heating.
🐠 Quartz Tube & Plastic Guard : Durable and explosion-proof quartz glass heater tube With high-quality quartz glass tube, it's very durable and explosion-proof, this fish tank heater can be used for saltwater and freshwater aquariums, and service life can be 3 years or more. With low profile black plastic guard, easy to hide in the tank. The guard can prevent your aquarium pets from burned, the gaps on the guard is about 3mm, no worries for fish stuck
🐠 Digital LED display : The IC temperature controller displays the water temperature or preset temperature, and the two indicators show the status of the heating element. The temperature is controlled outside of water (temperature range: 16 to 32 ° C with an accuracy of -1 ° C. A thermometer separate from the heating element operates within a temperature range of 0 ° C to 99 ° C). Setup is very simple and convenient.
🐠 Automatic temperature maintenance function : When the water temperature reaches the set value, the heater will automatically turn off. When the temperature drops to 1 ℃ below this value, it will automatically turn on again. The temperature is set on the control unit and saved using the reminder function.
🐠 This aquarium heater provides a warm and comfortable home for your fish. It's 500 watt output power is very suitable for 220-450 liter aquarium, the temperature range is 16 to 32 ℃.
🐠 High Quality and Guarante : Aquarium heating elements are composed of high quality quartz glass and polycarbonate, and are double sealed. Explosion-proof, shatter-proof, waterproof grade reaches IP68. Voltage 220-240 V, heating rod length 26.5 cm.

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