Theo 100W For Aquariums 14–26 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 t...
Heating Tube Length: 10.25" features:
Titanium heating tube.
Automatic protection mechanism activates when sensor wiring is disconnected or shorted.
Double protection tube.
Very durable & r...