Hydor In-Line ETH External Heater

First and rare external heater for aquariums with the exclusive PTC (Positive Thermal Coefficient) technology. The self-limiting PTC heating element guarantees maximum safety against any risk of overheating. The exclusive technology and the top-grade of the components guarantee a long lasting product. Suitable for canister filters and sump tanks.First and only external heater for aquariumsIdeal for sump tanks and external filtersVertical position onlyHigh precision thanks to the electronic control of the set temperature with operation lightYou can set a temperature between 18° C and 34° C (65° F - 93° F)It guarantees maximum safety thanks to the self-protection system of the PTC film that avoids potential risks of overheatingEquipped with a special hanging eyeletEasy to usePractical connection system to pipes and other aquarium componentsCompatible with the PRIME external filter Perfect for everyday use. High quality materials and excellent craftsmanship ensure long-lasting durability.​