You're in Fish Supplies

Narrow Search Results

  • Price Range

    $ to $
    Update>>
  • By Brand

    By Aquariums & Accessories

    By Aquarium Supplies & Equipment

    By Keyword

    Hydor Usa Inc. Theo 400 Watt Submersible Shatterproof Heater 15.5" Hy0

    Hydor Usa Inc. Theo 400 Watt Submersible Shatterproof Heater 15.5" Hy0

    400W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 80-105 gallons.Length - 15.5"Part #: AHY00320Item Name: Theo... more

    $29.95

    go to store

    PetFenceUSA

    (250+)
    THEO Heater - 400W - Up to 105 gal.

    THEO Heater - 400W - Up to 105 gal.

    Provide your tank with the proper temperature with the most advanced heating technology available. THEO heaters are designed with a peculiar cylindrical shape that renders them virtually shatterproof. Fully submersible; THEO heaters function with the... more

    $34.99

    go to store
    Hydor Theo Aquarium Heater, 25-watt

    Hydor Theo Aquarium Heater, 25-watt

    Hydor Theo Aquarium Heater, 25-watt; The Hydor Theo Aquarium Heater is a universal heater for marine, freshwater or tropical aquarium settings. It�s fully submersible, compact and can be installed vertically or horizontally according to your desired... more

    $15.29

    FREE shipping

    go to store
    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy000

    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy000

    200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12"Part #: AHY00036Item Name: Theo... more

    $25.95

    go to store

    PetFenceUSA

    (250+)
    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy000

    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy000

    200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12 Part #: AHY00036Item Name: Theo... more

    $34.61

    go to store
    Hydor Theo Aquarium Heater, 400-watt

    Hydor Theo Aquarium Heater, 400-watt

    Hydor Theo Aquarium Heater, 400-watt; The Hydor Theo Aquarium Heater is a universal heater for marine, freshwater or tropical aquarium settings. It�s fully submersible, compact and can be installed vertically or horizontally according to your desired... more

    $25.49

    FREE shipping

    go to store
    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy000

    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy000

    200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12 Part #: AHY00036Item Name: Theo... more

    $34.61

    go to store

    Peazz Pet

    (2,500+)
    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy000

    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy000

    200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons.Length - 12"Part #: AHY00036Item Name: Theo... more

    $25.95

    go to store
    THEO Heater - 100W - Up to 26 gal.

    THEO Heater - 100W - Up to 26 gal.

    Provide your tank with the proper temperature with the most advanced heating technology available. THEO heaters are designed with a peculiar cylindrical shape that renders them virtually shatterproof. Fully submersible; THEO heaters function with the... more

    $23.99

    go to store
    THEO Heater - 50W - Up to 14 gal.

    THEO Heater - 50W - Up to 14 gal.

    Provide your tank with the proper temperature with the most advanced heating technology available. THEO heaters are designed with a peculiar cylindrical shape that renders them virtually shatterproof. Fully submersible; THEO heaters function with the... more

    $28.99

    go to store
    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

    go to store
    Hydor 400W Submersible Aquarium Heater - Original Theo

    Hydor 400W Submersible Aquarium Heater - Original Theo

    400W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 80-105 gallons. Length - 15. 5'' more

    $31.84

    go to store
    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

    $14.49

    go to store
    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

    go to store
    "Hydor Theo Heater 200 Watt for 26-53 Gallons (24/Cs)"

    "Hydor Theo Heater 200 Watt for 26-53 Gallons (24/Cs)"

    "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

    $26.36

    FREE shipping

    go to store
    "Hydor Usa Inc-Theo Shatterproof Heater 300 Watt"

    "Hydor Usa Inc-Theo Shatterproof Heater 300 Watt"

    "THEO SHATTERPROOF HEATERShatterproof, safe, submersible.5.5 long.UPC : 841421000374Size : 300 WATTLength : 3.5Width : 2Height : 17.5Product Type : Aquatics - Heaters / SubmersibleShipping Dimensions: 3.5x2x17.5" more

    $40.99

    FREE shipping

    go to store
    "Hydor Usa Inc-Theo Shatterproof Heater 100 Watt"

    "Hydor Usa Inc-Theo Shatterproof Heater 100 Watt"

    "THEO SHATTERPROOF HEATERAquarium heater ideal for up to 50 gallon tanks.UPC : 841421000350Size : 100 WATTLength : 3.5Width : 2Height : 11.5Product Type : Aquatics - Heaters / SubmersibleShipping Dimensions: 3.5x2x11.5" more

    $31.99

    FREE shipping

    go to store
    Hydor Theo Heater 400 watt

    Hydor Theo Heater 400 watt

    * Patented heating element automatically turns off if water level declines * Easy temperature adjustment - knob clicks at every degree change * Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof... more

    $31.99

    go to store
    Hydor Theo Aquarium Heaters 300 watt

    Hydor Theo Aquarium Heaters 300 watt

    New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The first shatter-proof fish tank heater thanks to the peculiar glass tube. Free positioning in the aquarium: vertical, horizontal and completely... more

    $26.99

    go to store
    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

    go to store
    Hydor 100W Submersible Aquarium Heater - Original Theo

    Hydor 100W Submersible Aquarium Heater - Original Theo

    100W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. Extremely compact at 8. 9''. For aquariums 14-26 gallons. Length - 8. 9'' more

    $23.06

    go to store
    Hydor Theo Heater 150 watt

    Hydor Theo Heater 150 watt

    * Patented heating element automatically turns off if water level declines * Easy temperature adjustment - knob clicks at every degree change * Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof... more

    $24.99

    go to store
    "Hydor Theo Heater 400 Watt for 80-105 Gallons (24/Cs)"

    "Hydor Theo Heater 400 Watt for 80-105 Gallons (24/Cs)"

    "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

    $31.96

    FREE shipping

    go to store
    "Theo Shatterproof Heater, Color: Clear, Size: 150 WATT, UPC# 841421003214, Mfg# T11602, Free Shippi"

    "Theo Shatterproof Heater, Color: Clear, Size: 150 WATT, UPC# 841421003214, Mfg# T11602, Free Shippi"

    "Theo Shatterproof Heater Color: Clear Size: 150 WATT Miscellaneous AquariamMade 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... more

    $41.18

    FREE shipping

    go to store
    "Theo Shatterproof Heater, Color: Clear, Size: 400 WATT, UPC# 841421003207, Mfg# T11502, Free Shippi"

    "Theo Shatterproof Heater, Color: Clear, Size: 400 WATT, UPC# 841421003207, Mfg# T11502, Free Shippi"

    "Theo Shatterproof Heater Color: Clear Size: 400 WATT Miscellaneous AquariamUse in aquariums up to 200 gal completely submersible.All items are brand new, never worn and never used. We guarantee the authenticity of all items.Thank you for shopping at... more

    $48.96

    FREE shipping

    go to store
    Hydor Theo Aquarium Heater, 150-watt

    Hydor Theo Aquarium Heater, 150-watt

    Hydor Theo Aquarium Heater, 150-watt; The Hydor Theo Aquarium Heater is a universal heater for marine, freshwater or tropical aquarium settings. It�s fully submersible, compact and can be installed vertically or horizontally according to your desired... more

    $20.39

    FREE shipping

    go to store
    Hydor Theo Aquarium Heater, 50-watt

    Hydor Theo Aquarium Heater, 50-watt

    Hydor Theo Aquarium Heater, 50-watt; The Hydor Theo Aquarium Heater is a universal heater for marine, freshwater or tropical aquarium settings. It�s fully submersible, compact and can be installed vertically or horizontally according to your desired... more

    $16.99

    FREE shipping

    go to store
    THEO Heater - 150W - Up to 40 gal.

    THEO Heater - 150W - Up to 40 gal.

    Provide your tank with the proper temperature with the most advanced heating technology available. THEO heaters are designed with a peculiar cylindrical shape that renders them virtually shatterproof. Fully submersible; THEO heaters function with the... more

    $29.99

    go to store
    THEO Heater - 200W - Up to 53 gal.

    THEO Heater - 200W - Up to 53 gal.

    Provide your tank with the proper temperature with the most advanced heating technology available. THEO heaters are designed with a peculiar cylindrical shape that renders them virtually shatterproof. Fully submersible; THEO heaters function with the... more

    $27.99

    go to store
    THEO Heater - 25W - Up to 7 gal.

    THEO Heater - 25W - Up to 7 gal.

    Provide your tank with the proper temperature with the most advanced heating technology available. THEO heaters are designed with a peculiar cylindrical shape that renders them virtually shatterproof. Fully submersible; THEO heaters function with the... more

    $19.99

    go to store
    THEO Heater - 300W - Up to 80 gal.

    THEO Heater - 300W - Up to 80 gal.

    Provide your tank with the proper temperature with the most advanced heating technology available. THEO heaters are designed with a peculiar cylindrical shape that renders them virtually shatterproof. Fully submersible; THEO heaters function with the... more

    $33.39

    go to store
    Hydor 300W Submersible Aquarium Heater - Original Theo

    Hydor 300W Submersible Aquarium Heater - Original Theo

    300W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 53-80 gallons. Length - 15. 5'' more

    $30.24

    go to store
    Hydor 50W Submersible Aquarium Heater - Original Theo

    Hydor 50W Submersible Aquarium Heater - Original Theo

    50W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. Extremely compact at 7''. For aquariums 5-14 gallons. Length - 7'' more

    $21.46

    go to store
    "Hydor Usa Inc-Theo Shatterproof Heater 50 Watt"

    "Hydor Usa Inc-Theo Shatterproof Heater 50 Watt"

    "THEO SHATTERPROOF HEATERAquarium heater ideal for up to 20 gallon tanks.UPC : 841421000343Size : 50 WATTLength : 3.5Width : 2Height : 9.5Product Type : Aquatics - Heaters / SubmersibleShipping Dimensions: 3.5x2x9.5" more

    $28.99

    FREE shipping

    go to store
    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

    go to store
    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

    FREE shipping

    go to store
    Hydor 200W Submersible Aquarium Heater - Original Theo

    Hydor 200W Submersible Aquarium Heater - Original Theo

    200W submersible aquarium heater. UL listed. Safe and reliable. Made from specially enginereed shatterproof glass. Temperature controlled and maintained by precise micro-switch. For aquariums 26-53 gallons. Length - 12'' more

    $27.05

    go to store
    "Hydor Usa Inc-Theo Shatterproof Heater- Clear 150 Watt"

    "Hydor Usa Inc-Theo Shatterproof Heater- Clear 150 Watt"

    "THEO SHATTERPROOF HEATERMade 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 some hydor filters.UPC :... more

    $34.99

    FREE shipping

    go to store
    "Hydor Usa Inc-Theo Shatterproof Heater- Clear 400 Watt"

    "Hydor Usa Inc-Theo Shatterproof Heater- Clear 400 Watt"

    "THEO SHATTERPROOF HEATERUse in aquariums up to 200 gal completely submersible.UPC : 841421003207Color : CLEARSize : 400 WATTLength : 3.5Width : 2Height : 17.5Product Type : Aquatics - Heaters / SubmersibleShipping Dimensions: 3.5x2x17.5" more

    $42.99

    FREE shipping

    go to store
    Hydor Theo Heater 100 watt

    Hydor Theo Heater 100 watt

    * Patented heating element automatically turns off if water level declines * Easy temperature adjustment - knob clicks at every degree change * Submersible heater with shatterproof glass resists breakage Patented heating film and special shatterproof... more

    $22.00

    go to store

    More information about Fish Supplies

    Best prices on Hydor theo 400w heater in Fish Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Pet Supplies merchants and buy with confidence.