Interpet Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 100 W, for aquariums up to 90 litres,Black

Thickened Glass 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes, your pets will no longer fear the winter.

Double Safety Protection 2mm thickened explosion-proof glass, 33% thicker than normal 1.5mm aquarium heaters, adding a detachable protective cover wrapping the heater tube, more durable and much safer for both human and aquatic creature.

Rapid Heating System The hygger aquarium heater is made of the most stable nickel-chromium heating wire, which can quickly and stably transfer heat to the surroundings, making water heating faster and more durable. It has a built-in dual temperature control system of Fahrenheit and Celsius, you can long press the controller's setting button for 2-3 seconds to switch.

Super Mini Size This small aquarium heater is thumb size - only 4.45 (11.3cm) in length. Great for various small turtle and fish tanks such as Shrimp,Betta, Angelfish,Guppy,Swordfish,Marie fish tanks. The innovative super mini size perfectly solves the headache of the fish keepers on the heaters! Takes up less space, easy to hide, but in full power!

The in-built thermostat keeps your aquarium at 25 C by sensing the water temperature and automatically turning itself on or off to maintain it

300 W model for aquariums from 135 to 270 litres, heater dimensions 35.5 cm x 2.5 cm x 2.5 cm

Save electricity turning off and on automatically depends on the temperature Heating is heated more accurately in the circulating water, the best position is at the outlet of the water.

Small But Powerful Engineered for small tanks, our 50W aquarium heater is space-efficient yet fully capable. For precise temperature readings, activate the water cycle and maintain cleanliness as per instructions. Operate within the specified voltage and avoid direct contact with water for safety.

High-temperature Resistant Protective Cover BrightArk mini aquarium heater is 30% thicker than ordinary aquarium heaters, making it more durable. It is made of explosion-proof quartz glass material and high-temperature resistant nichrome electric heating wire, ensuring faster water heating. The shell is made of high-temperature resistant PC material, providing added safety to prevent fish from getting burnt.

Compact and Versatile Bonlux fish tank heater 50W, size 11.5*7.5*3.5cm, with 2 powerful suction cups, suitable for 20-40L tropical fish tank, aquarium tank, betta fish tank, turtle tank, etc

Accurate Temperature-Control With high-precision temperature control system, adjustable temperature ranges from 20 C - 34 C (68 F to 93 F).

Over Temperature Protection TobeBright 100w fish tank heater adds a self-protection function than ordinary heaters, TobeBright 100w aquarium heater will automatically turn off when it is not fully immersed in water or when there is a dry burn; when the water temperature exceeds 34 (93 ), the heater for aquarium fish tank will automatically turn off the power to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety.

Super Mini Size, 100Watt for 75 Liter YukiHalu 100W aquarium heater is designed for 75 liter mini fish tank. Compact design, take less space in the fish tank, easy to hide in the tank. Temperature can be accurately adjusted from 18 to 34 C. This heater suitable for both saltwater and freshwater. The rated voltage is 220-240V.

Intelligent Water Sensor&Over Temperature Protection Bonlux 100w fish tank heater adds a self-protection function than ordinary heaters, this 100w aquarium heater will automatically turn off when it is not fully immersed in water or when there is a dry burn; when the water temperature exceeds 34 (93 ), the heater for aquarium fish tank will automatically turn off the power to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety.

Specification 50W water heater, 20*2.5*2.5cm, suitable for 15L-55L tank, also suitable for freshwater and saltwater.

Adjustable constant temperature The aquarium heating rod uses a high resistance heating wire to maintain a constant temperature, and the top is equipped with an adjustable rotary knob.You can adjust it to the environment and temperature of the water tank, the temperature range is 18-34 degrees.

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Auto-Off Protection If the tank heater is not installed properly underwater, or the water level runs low causing the heater to be exposed to the water, it will activate the auto-off function, this safety feature shuts off the heater to prevent dangerous situations. Please note that the mini aquarium heater must be completely submerged in water.

Rapid Heating and Two Temperature Control System 300W aquarium heater is sutable for 150L-300 Litres water fish tank and made of the most stable nickel-chromium heating wire, which can quickly and stably conduct heat to the surroundings. It has a built-in temperature control system of Fahrenheit and Celsius(Temp range 17-34 63-94 ). You can press and hold the button next to the controller for 3-5 seconds to switch.

Mini design small fish tank ,size is small,heater leaves more room for your fish and plants. The power cord is 1.2m long, providing ample reach. betta fish tanks, turtle tanks, etc.