Marineland visi-therm submersible heaters feature a direct-set control which ensures accuracy to within one degree. these guaranteed durable heaters make setting and controlling the temperature of your aquarium easy. simply set the temperature on the top dial which corresponds to the temperature scale on the side of the thermometer. in addition, the heater features a mounting bracket which is easy to install and enables viewing of the temperature from multiple angles. this heater is cull-approved and is suitable for marine and freshwater aquariums.
Visible temperature setting with sliding scale which clearly displays the exact temperature and new top view dial setting
Easily set the temperature through accurate click set dial which adjusts 1 degree Fahrenheit with every click
Mounting bracket securely mounts to the aquarium and has three window positions to enable temperature viewing from multiple angles
Trial-equipped thermostat uses lower voltage to turn the heater on and off and provides superior performance and reliability
Efficient heat transfer from a mesh heating element with a mica core and epoxy fill