Hydor ETH External Thermal Heater. The first unique external heater for aquariums with the exclusive PTC (Positive Thermal Coefficient) technology.

The self-timing PTC heating element guarentees maximum safety against any risk of overheating and blowing. The exclusive technology and the heiogh quaity componants ensure that it is a long lasting product.

All the ETH range are suitable for tropical and marine aquariums. It comes with standard pipeing size of 12mm - 16mm depending on the size you want. Also this unit comes with heigh precision temperature controle with a red signal light for easy viewing.

Product characteristics at a glance:

• Comes with PTC (Positive Thermal Coefficient) technology.
• Easy to connect to any canister filter.
• Guarantees maximum safety against any risk of over-heating.
• High precision electronic temperature control with signal light.
• Built with solid self-extinguishing materials for extra safety.
• Comes with a 2 year quarentee.
• Intergrated signal light.

Please note that Hydor recommend switching off all electrical apliences before retreiving anything in the tank.

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Ideal for use in the Garra Ruffa pedicure systems.