Theo Heaters from Hydor are the No1 heater in the hydro market and are extremely safe. They are shock resistant thanks to their PTC heating element and shatterproof tube. They also have highly accurate thermostat with a self-limiting function, so if your nutrient runs dry there’s no need to worry!
20-50L tank size.
This product was added to our catalog on Tuesday 27 January, 2009.