Super Shatterproof 1.5 mm Thickness Quartz Glass Maximum strength Quartz Silica Tube is shatter resistant & more durable than conventional glass heaters. Durable Plastic Outer Sleeve There is a durable thick plastic outer housing wrapping up the glass tube. Acting as a buffer between your fish and the hot heater with Non-conductive plastic outer sleeve so fish/turtle/plants can't be burnt. Suction Cups The 3 suction cups provided fit into the protective outer sleeve in a very unique way. They can hold heater vertical or horizontal under the water. Thermostatic Control This fish tank heater can automatically control the temperature. It will automatically turn off as the temperature rises above the internal setting you choose, and turns back on like clockwork once it sufficiently cools down. Specification: Diameter: Glass tube 1.02inch (2.6cm). Plastic housing 1.3inch (3.3cm). Cable length: 5-6.5 feet (150-200cm) Water Volume: 50-90 gallons (180-340 liters) Power: 500W Voltage: 110V 60HZ Adjustable temperature: 68°F~94°F (20°C~34.5°C). Outer Dimension: 17inch x 1.4inch x 1.4inch Operation instruction: 1, The 500 watt aquarium heater could be installed horizontally and vertically, and it should be immersed into water completely. 2, When the water is not enough, the heater reads E1, and need to add more water. 3, It takes about 10~15 minutes to get used to the water temperature. Then adjust and set the desired temperature value. 4, It starts to work if the actual temperature value is lower than the settled value, unless it doesn't work. 5, We suggest the horizontal installment. Note: Due to some unpredictable external factors, it's normal that the temperature difference is ±5°F. The temperature zone is 2 degrees each click.The small dot between each 2 numbers means 2 degrees difference.

[Application] This 500 watt submersible water heater is great for both Fresh Water and Marine Water aquariums, aquaculture, terrariums & hydroponic systems. Suitable for fish, turtle, and plants. [Temperature Scale] Compact underwater analog turtle tank heater can be adjusted between 68°F~94°F (20°C~34.5°C). Maintain constant and stable temperatures for your aquatic creatures. [Provides Accurate Thermal Control] Set and adjust the desired temperature with the use of the Temperature Controller on the top. This allows accurate thermal control via the easy set thermostat for precise. [Explosion-proof Shatterproof Shield-proof Design] Thanks to its high quality Quartz Glass material and its Protective Sleeve, aquarium heater is shatter resistant & more durable than conventional glass heaters. [Fully Submersible Aquarium Heater] This 500W 110V Strong Quartz Glass Aquarium Fish Tank Heater is suitable for aquariums from 50-90 gallons (180-340 liters); 300w fish heater suits for 35-80 gallons; includes 150-200cm (5-6.5 feet) cable for easy use. The heater should be submersible fully under the water before turn on.

Best Sellers Rank: See Top 100 in Pet Supplies. : B07ZD3LM61. Manufacturer: PASTE. Date First Available: October 8, 2017. Product Dimensions: 17 x 1.4 x 1.4 inches; 1.05 Pounds. Is Discontinued By Manufacturer: No.