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    Hydor THEO Heater 400 Watt

    Hydor THEO Heater 400 Watt

    Theo 400W For Aquariums 80 105 gallons New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology.The Hydor Theo heater line features PTC patented thermal technology which makes it among the safest aquarium heater... more

    $31.49

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    MarineDepot.com

    (25,000+)
    Hydor ETH 201 In-Line Heater 200 Watt - 5/8 inch

    Hydor ETH 201 In-Line Heater 200 Watt - 5/8 inch

    There are certain factors that you have to consider when replacing the water inside your aquarium, and temperature is one of them. It is unfortunate to know that there are often times when an aquarist makes the mistake of pouring in liquid that is too... more

    $51.99

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    PetStore.com

    (2,500+)
    Hydor THEO Heater 400 Watt

    Hydor THEO Heater 400 Watt

    Theo 400W For Aquariums 80 105 gallons New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology.The Hydor Theo heater line features PTC patented thermal technology which makes it among the safest aquarium heater... more

    $31.49

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    PetStore.com

    (2,500+)
    Hydor 200W Theo Aquarium Heater

    Hydor 200W Theo Aquarium Heater

    Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product.... more

    $43.53

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    Hydor Theo Aquarium Heater (200 watts)

    Hydor Theo Aquarium Heater (200 watts)

    Hydor Theo Aquarium Heater (200 watts) has all the necessary features for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product.Aquarium... more

    $29.99 $16.29

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    Hydor 400W Theo Aquarium Heater

    Hydor 400W Theo Aquarium Heater

    Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product.... more

    $48.85

    FREE shipping

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    Hydor Theo UL Aquarium Heater 50 watts

    Hydor Theo UL Aquarium Heater 50 watts

    Hydor Theo Super Safe, Shatter Proof Heating Control your aquarium's temperature safely and precisely with the THEO aquarium heater . The THEO is suitable for marine and tropical aquariums. The THEO heater can be positioned in any way: vertically,... more

    $17.49

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    Hydor 300W Theo Aquarium Heater

    Hydor 300W Theo Aquarium Heater

    Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or reservoir. The exclusive technology and the high quality of the components guarantee a long lasting product.... more

    $46.19

    FREE shipping

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    Hydor THEO UL Heater

    Hydor THEO UL Heater

    Hydor THEO UL Heater THEO aquarium heater has all the necessary features for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product. 220/240V... more

    $29.99

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    Hydor THEO UL Heater

    Hydor THEO UL Heater

    Hydor THEO UL Heater THEO aquarium heater has all the necessary features for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product. 220/240V... more

    $18.99

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    Hydor THEO UL Heater

    Hydor THEO UL Heater

    Hydor THEO UL Heater THEO aquarium heater has all the necessary features for safe and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of the components guarantee a long lasting product. 220/240V... more

    $14.79

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    Theo Shatterproof Heater Clear 400 Watt (T11502)

    Theo Shatterproof Heater Clear 400 Watt (T11502)

    Theo Shatterproof Heater Clear 400 Watt(T11502)Features: Use In Aquariums Up To 200 Gal Completely Submersible.Ingredients: N/AColor: ClearSize: 400 Watt more

    $73.43 $61.19

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    TSCPets

    (1,000+)
    Theo Shatterproof Heater Clear 150 Watt (T11602)

    Theo Shatterproof Heater Clear 150 Watt (T11602)

    Theo Shatterproof Heater Clear 150 Watt(T11602)Features: Made For Aquariums Up To 40 Gal Completely Submersible, Safe And Shatterproof.Temperature Controlled And Maintained By A Highly Precise Micro-Switch, Ptc Element.Can Be Used Positioned Inside... more

    $59.39 $49.49

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    TSCPets

    (1,000+)

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