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    Hydor Theo Submersible Aquarium Heater- 300 W (heats Up To 100 Gallons)

    Hydor Theo Submersible Aquarium Heater- 300 W (heats Up To 100 Gallons)

    Fully submersible heater you can position anywhere in your aquarium. Automatic shut-off in case heater runs out of the aquarium water. Highly accurate due to the use of precise micro switch technology. Shatterproof under normal aquarium situations. For... more

    $33.99

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    Hydor Theo Submersible Aquarium Heater- 25 W (heats Up To 10 Gallons)

    Hydor Theo Submersible Aquarium Heater- 25 W (heats Up To 10 Gallons)

    Fully submersible heater you can position anywhere in your aquarium. Automatic shut-off in case heater runs out of the aquarium water. Highly accurate due to the use of precise micro switch technology. Shatterproof under normal aquarium situations. For... more

    $26.99

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    Hydor Theo Submersible Aquarium Heater - 200 Watt

    Hydor Theo Submersible Aquarium Heater - 200 Watt

    Hydor THEO Submersible Heater 200W Product #: HY-T11302 The first shatter-proof heater thanks to the peculiar glass tube. Maximum security: THEO is shock resistant thanks to the PTC heating element and the shatterproof glass tube. Free positioning in... more

    $29.95

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    Hydor 50W Submersible Aquarium Heater - Original Theo

    Hydor 50W Submersible Aquarium Heater - Original Theo

    Theo Heater. New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of... more

    $18.33

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    Hydor 25W Submersible Aquarium Heater - Original Theo

    Hydor 25W Submersible Aquarium Heater - Original Theo

    Theo Heater. New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of... more

    $17.72

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    Hydor 100W Submersible Aquarium Heater - Original Theo

    Hydor 100W Submersible Aquarium Heater - Original Theo

    Theo Heater. New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of... more

    $17.04

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums: 7.5 Watt - 2-5 Gallons #T20201 - Aquarium Heater

    Hydor Slim Heater for Micro Tanks & Mini Aquariums: 7.5 Watt - 2-5 Gallons #T20201 - Aquarium Heater

    Hydor Slim Heater for Micro Tanks & Mini Aquariums: 7.5 Watt - 2-5 Gallons #T20201 The Hydor slim heater is a submersible aquarium heater for micro tanks and mini aquariums 2-5 Gallons. Ideal for use in mini aquariums for fish that require heated water... more

    $16.99 $9.53

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    Hydor Theo Submersible Aquarium Heater 100 Watt

    Hydor Theo Submersible Aquarium Heater 100 Watt

    Hydor THEO Submersible Heater 100W Product #: HY-T11202 The first shatter-proof heater thanks to the peculiar glass tube. Maximum security: THEO is shock resistant thanks to the PTC heating element and the shatterproof glass tube. Free positioning in... more

    $25.60

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    Hydor Theo Submersible Aquarium Heater- 150 W (heats Up To 50 Gallons)

    Hydor Theo Submersible Aquarium Heater- 150 W (heats Up To 50 Gallons)

    Fully submersible heater you can position anywhere in your aquarium. Automatic shut-off in case heater runs out of the aquarium water. Highly accurate due to the use of precise micro switch technology. Shatterproof under normal aquarium situations. For... more

    $31.49

    FREE shipping

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    Hydor Theo Submersible Aquarium Heater- 200 W (heats Up To 68 Gallons)

    Hydor Theo Submersible Aquarium Heater- 200 W (heats Up To 68 Gallons)

    Fully submersible heater you can position anywhere in your aquarium. Automatic shut-off in case heater runs out of the aquarium water. Highly accurate due to the use of precise micro switch technology. Shatterproof under normal aquarium situations. For... more

    $31.49

    FREE shipping

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    Hydor Submersible Aquarium Heater: 150 Watt - 12 Long - (23 - 40 Gallons) #T11602 - Aquarium Heater

    Hydor Submersible Aquarium Heater: 150 Watt - 12 Long - (23 - 40 Gallons) #T11602 - Aquarium Heater

    Hydor Submersible Aquarium Heater: 150 Watt - 12 Long - (23 - 40 Gallons) #T11602 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no thermal... more

    $39.99 $20.99

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    Hydor Submersible Aquarium Heater: 200 Watt - 12 Long - (26 - 53 Gallons) #T11302 - Aquarium H

    Hydor Submersible Aquarium Heater: 200 Watt - 12 Long - (26 - 53 Gallons) #T11302 - Aquarium H

    Hydor Submersible Aquarium Heater: 200 Watt - 12 Long - (26 - 53 Gallons) #T11302 The Hydor Aquarium Heater is a submersible heater made with the exclusive PTC (Positive Thermal Coefficient) technology. This Hydor aquarium heater provides no thermal... more

    $41.99 $22.10

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    Hydor Slim Heater 15W (Mfg# T203201)

    Hydor Slim Heater 15W (Mfg# T203201)

    Easily warm your miniature aquarium to a comfortable, hospitable temperature that helps keep your fish thriving! Fully submersible Hydor Slim Aquarium Heater feature plug-and-go design, shock-proof construction, and a sleek shape that blends in with... more

    $14.99 $10.99

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    Hydor Slim Heater 7.5W (Mfg# T20201)

    Hydor Slim Heater 7.5W (Mfg# T20201)

    Easily warm your miniature aquarium to a comfortable, hospitable temperature that helps keep your fish thriving! Fully submersible Hydor Slim Aquarium Heater feature plug-and-go design, shock-proof construction, and a sleek shape that blends in with... more

    $12.99 $9.99

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    H2show Led Light - Multi Color

    H2show Led Light - Multi Color

    These unique, submersible lighting systems allow you to decorate your aquarium with astounding color effects. Each illuminating system is made with 1 led light and is safe for use in or out of water. Small suction cup base allows for easy placement... more

    $19.99

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    PetSolutions

    (25,000+)
    Hydor 200W Submersible Aquarium Heater - Original Theo

    Hydor 200W Submersible Aquarium Heater - Original Theo

    Theo Heater. New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of... more

    $19.30

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    Hydor 150W Submersible Aquarium Heater - Original Theo

    Hydor 150W Submersible Aquarium Heater - Original Theo

    Theo Heater. New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of... more

    $22.20

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    Hydor 400W Submersible Aquarium Heater - Original Theo

    Hydor 400W Submersible Aquarium Heater - Original Theo

    Theo Heater. New aquarium heater functioning with the exclusive PTC technology means that this heater will not break or damage when run out of the tank. Theo aquarium heater has all the necessary feature for safe and precise temperature maintenance of... more

    $25.84

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    Theo 150 Watt Submersible Shatterproof Heater 8.9

    Theo 150 Watt Submersible Shatterproof Heater 8.9

    Hydor THEO (UL) Submersible Aquarium Heater - High Quality Fish Tank Water Heater and Aquarium Water Heater SelectionKeep your aquarium at the perfect temperature with the Hydor THEO (UL) Submersible Aquarium Heater. This sleek fish tank water heater... more

    $25.75

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    Rakuten.com Shopping

    (1,000,000+)
    Theo Submersible Aquarium Heater - Wattage: 300

    Theo Submersible Aquarium Heater - Wattage: 300

    HYY1028: Features: -Theo submersible aquarium heater.-Shatter resistant glass.-No damage if run dry.-Easy to read scale for precise temperature setting.-Safe if freshwater or saltwater aquariums.-UL approved. Specifications: -Available in 50, 100, 200,... more

    $39.99 $32.34

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    Rakuten.com Shopping

    (1,000,000+)

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