Fully Submersible, Fully Waterproof and UL Certified Heater suitable for both fresh and salt water aquarium set ups featuring TrueTemp technology
TruTemp dial with readjustment ring allows the user to calibrate the heater for ...
Theo 50W for aquariums 5–14 gallons New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The Hydor Theo heater line features PTC patented thermal technology which makes it among the ...
AZOO Titanium Electronic Heater 50 Watt *US Version* Adapts the latest electronic heating control technology. Temperature control range 70~92°F, ±1°F Titanium tube body, free from acid or alkaline corrosion, suitable for both s...