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  • Hydor ETH 300W In Line Heater [5/8 in.]

    Hydor ETH 300W In Line Heater [5/8 in.]

    First and unique 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 ove…

    $97.95
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    Hydor Theo Aquarium Heater [400 watt]

    Hydor Theo Aquarium Heater [400 watt]

    Patented film heating technology and unique shatterproof glass make this submersible heater practically unbreakable while maintaining a precise temperature. Features a one degree increment control kno…

    $65.50
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