Product Description
ETH External thermal heater which includes the PTC system. Suitable for all external canister filters.
Completely safe. No danger of damage if the equipment is left running without water for a short period of time
Patented heating element made with the exclusive PTC system. The traditional metal resistor coils have been replaced by a special polymer sheet silkscreened with heating ink.
ETH 300power 300Winlet Hose 16mmfor aquaria of 200ltrs
Unique external filter for sumps or external filtration.
High precision electronic tempererature control and signal light.
Ptc positive thermal coefficient technology