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    Best Seller
    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

    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

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    Hydor Theo Aquarium Heater (25 watts), Multicolor

    Hydor Theo Aquarium Heater (25 watts), Multicolor

    Hydor Theo Aquarium Heater (25 watts) 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... more

    $23.31

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    Best Seller
    Hydor Usa Inc. Theo 50 Watt Submersible Shatterproof Heater 7" Hy00034

    Hydor Usa Inc. Theo 50 Watt Submersible Shatterproof Heater 7" Hy00034

    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 Part #:... more

    $33.36

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    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

    Hydor Usa Inc. Theo 200 Watt Submersible Shatterproof Heater 12" Hy00036

    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

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    Peazz

    (100+)
    Hydor Usa Inc. Theo 100 Watt Submersible Shatterproof Heater 8.9" Hy00035

    Hydor Usa Inc. Theo 100 Watt Submersible Shatterproof Heater 8.9" Hy00035

    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"Part... more

    $24.95

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    Hydor Usa Inc. Theo 100 Watt Submersible Shatterproof Heater 8.9" Hy00035

    Hydor Usa Inc. Theo 100 Watt Submersible Shatterproof Heater 8.9" Hy00035

    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 Part... more

    $33.36

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    150w/300w/500w In-Line External Heater Aquarium Heater - 150/300/500 Watt 1/2'-5/8' (150 Watt 5/8' (16/22mm) Hose)

    150w/300w/500w In-Line External Heater Aquarium Heater - 150/300/500 Watt 1/2'-5/8' (150 Watt 5/8' (16/22mm) Hose)

    The ISTA External Heater is easily installed by cutting the tubing and connecting the two parts of the tube to each side of the ISTA External Heater.For reduced maintenance, it is recommended that the ISTA External Heater be installed within the... more

    $49.96

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    150w/300w/500w In-Line External Heater Aquarium Heater - 150/300/500 Watt 1/2'-5/8' (300 Watt 1/2'(12/16mm) Hose)

    150w/300w/500w In-Line External Heater Aquarium Heater - 150/300/500 Watt 1/2'-5/8' (300 Watt 1/2'(12/16mm) Hose)

    Features: 1. Thermal spraying glass, speed up the heating process, higher efficiency.2. External design, easy to install and doesn't occupy space in the tank.3. Two sensors to exam the temperatures of water inlet and outlet.4. Auto power off safety... more

    $63.99

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    Hydor O-Ring for Professional External Filter - 250

    Hydor O-Ring for Professional External Filter - 250

    These Hydor O-Rings are replacement parts for the Professional External Filters. Keep your filters running smoothly by always having one of these on hand. more

    $16.29

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    Hydor Impeller for Professional External Filter - 350

    Hydor Impeller for Professional External Filter - 350

    These Hydor Impellers are replacement parts for the Professional External Filters. Keep your filters running smoothly by always having one of these on hand. more

    $21.29

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    Slim Heater for Bettas, Bowls and Aquariums 7.5 Watt, Oval, up to 5 gal, USA, Brand Hydor

    Slim Heater for Bettas, Bowls and Aquariums 7.5 Watt, Oval, up to 5 gal, USA, Brand Hydor

    Helps guarantee your fish a healthy life by promoting the ideal water temperature.Plug and Play, No temperature to setCan be positioned under gravelNo glass componentsHeater is UL listed more

    $17.79

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    Hydor Impeller for Professional External Filter - 150

    Hydor Impeller for Professional External Filter - 150

    These Hydor Impellers are replacement parts for the Professional External Filters. Keep your filters running smoothly by always having one of these on hand. more

    $19.29

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    Hydor Theo Aquarium Heater, 400-Watt

    Hydor Theo Aquarium Heater, 400-Watt

    Hydor 400W Submersible Glass Aquarium Heater - Original Theo (Pack of 1) more

    $45.29 $27.69

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    Hydor Professional 600 Filter Replacement Return Valve (Hydor pt# XC0310)

    Hydor Professional 600 Filter Replacement Return Valve (Hydor pt# XC0310)

    Replacement Return Valve for the Hydor Professional 600 Aquarium External Filter. Hydor part # XC0310. more

    $15.09

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    Hydor Professional External Filter - 600

    Hydor Professional External Filter - 600

    These sleek and silent filters provide highly effective multi-stage filtration for freshwater and marine aquariums. Notable features include integrated priming pumps, bypass-free design, energy-efficient operation, pre-loaded media trays, and more! more

    $275.54 $207.95

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    Professional External Canister Filter Media, Zeolite, For Use With Any Size Hydro Professional Canister Filter; Can Also Be Used With Other Canister-Style.., By Hydor

    Professional External Canister Filter Media, Zeolite, For Use With Any Size Hydro Professional Canister Filter; Can Also Be Used With Other Canister-Style.., By Hydor

    It Is Recommended That Zeolite Should Be Changed Out Every 1 To 3 MonthsFor Use With Any Size Hydro Professional Canister Filter; Can Also Be Used With Other Canister-Style FiltersZeolite Should Be Used As A Middle Stage Of FiltrationBox Contains 550Gm... more

    $17.49

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    Hydor Professional External Filter - 250

    Hydor Professional External Filter - 250

    These sleek and silent filters provide highly effective multi-stage filtration for freshwater and marine aquariums. Notable features include integrated priming pumps, bypass-free design, energy-efficient operation, pre-loaded media trays, and more! more

    $178.13 $131.95

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    Hydor Professional External Canister Filter Media Zeolite (Pack of 1)

    Hydor Professional External Canister Filter Media Zeolite (Pack of 1)

    Hydor Professional External Canister Filter Media Zeolite (Pack of 1) more

    $6.89

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    Professional External Canister Filter Media, Zeolite, For Use With Any Size Hydro Professional Canister Filter; Can Also Be Used With Other Canister-Style.., By Hydor

    Professional External Canister Filter Media, Zeolite, For Use With Any Size Hydro Professional Canister Filter; Can Also Be Used With Other Canister-Style.., By Hydor

    "Main products of our company :electric, home,toy,clother ,etc. Since its foundation ,the company keeps living up to the belief of :""honest selling ,best quality ,people-orientation and benefits to customers. ""We are doing everything to offer our... more

    $18.99

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    Hydor Theo Heater 200 Watt for 26-53 Gallons

    Hydor Theo Heater 200 Watt for 26-53 Gallons

    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

    $35.69

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    Hydor Professional External Canister Filter 350, 60-100 Gal

    Hydor Professional External Canister Filter 350, 60-100 Gal

    Hydor Professional External Canister FilterSize:350, 60-100 Gal The hydro professional 350 aquarium external 280gphfilter is a complete eco-system in a box. All the biological, mechanical andchemical filtration that any requires for a healthy and... more

    $169.47

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    Hydor Professional External Canister Filter Media, Activated Carbon, Freshwater

    Hydor Professional External Canister Filter Media, Activated Carbon, Freshwater

    Highly adsorbent Freshwater activated carbon eliminates bad odors and polluting substances. 3-100gm pouches. . more

    $19.97

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    "Hydor Submersible Aquarium Heater 25 Watt - 6.9"" Long - (2 - 7 Gallons)"

    "Hydor Submersible Aquarium Heater 25 Watt - 6.9"" Long - (2 - 7 Gallons)"

    "Hydor Submersible Aquarium Heater 25 Watt - 6.9"" Long - (2 - 7 Gallons)" more

    $19.41

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 2-5 Gallons (7.5 Watts) - Pack of 10

    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 2-5 Gallons (7.5 Watts) - Pack of 10

    Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.This is an offering for multi quantity bundle - 10 count more

    $107.14

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    Hydor Professional External Canister Filter Media High Quality Activated Carbon Saltwater (Pack of 1)

    Hydor Professional External Canister Filter Media High Quality Activated Carbon Saltwater (Pack of 1)

    Hydor Professional External Canister Filter Media High Quality Activated Carbon Saltwater (Pack of 1) more

    $14.29

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 2-5 Gallons (7.5 Watts) - Pack of 4

    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 2-5 Gallons (7.5 Watts) - Pack of 4

    Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.This is an offering for multi quantity bundle - 4 count more

    $51.59

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 5-10 Gallons (15 Watts) - Pack of 6

    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 5-10 Gallons (15 Watts) - Pack of 6

    Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.This is an offering for multi quantity bundle - 6 count more

    $74.36

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    Hydor Professional External Filter - 450

    Hydor Professional External Filter - 450

    These sleek and silent filters provide highly effective multi-stage filtration for freshwater and marine aquariums. Notable features include integrated priming pumps, bypass-free design, energy-efficient operation, pre-loaded media trays, and more! more

    $188.95

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    Hydor Impeller for Professional External Filter - 450

    Hydor Impeller for Professional External Filter - 450

    These Hydor Impellers are replacement parts for the Professional External Filters. Keep your filters running smoothly by always having one of these on hand. more

    $28.99

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    Hydor Slim Heater for Bettas and Bowls, 7.5-Watt

    Hydor Slim Heater for Bettas and Bowls, 7.5-Watt

    Hydor 7-1/2-watt Slim Heater helps guarantee your fish a healthy life by promoting the ideal water temperature. Specially designed with the innovative PTC (Positive Thermal Coefficient) element to heat the temperature of your aquarium or terrarium an... more

    $6.99

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    Hydor Theo Aquarium Heater, 300-Watt

    Hydor Theo Aquarium Heater, 300-Watt

    Hydor 300W Submersible Glass Aquarium Heater - Original Theo (Pack of 1) more

    $99.97 $25.99

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 5-10 Gallons (15 Watts) - Pack of 12

    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 5-10 Gallons (15 Watts) - Pack of 12

    Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.This is an offering for multi quantity bundle - 12 count more

    $138.14

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 2-5 Gallons (7.5 Watts) - Pack of 6

    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 2-5 Gallons (7.5 Watts) - Pack of 6

    Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.This is an offering for multi quantity bundle - 6 count more

    $68.52

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 5-10 Gallons (15 Watts) - Pack of 10

    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 5-10 Gallons (15 Watts) - Pack of 10

    Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.This is an offering for multi quantity bundle - 10 count more

    $116.88

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    Hydor Mini Submersible Aquarium Heater, 15-Watt

    Hydor Mini Submersible Aquarium Heater, 15-Watt

    Mini Submersible Heater 15 Watts - (For Aquariums 5-10 Gallons) more

    $8.44

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    Hydor 200W In-Line Heater, 1/2" Connection

    Hydor 200W In-Line Heater, 1/2" Connection

    "The Hydor 200W In-Line Heater, 1/2"" Connection, is designed for vertical use in most aquarium applications involving water hose of the specified diameter. The ETH must be used in a vertical manner for correct operation. Must be used in line. Not... more

    $83.84 $41.99

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    Hydor Theo Heater 400 Watt for 80-105 Gallons

    Hydor Theo Heater 400 Watt for 80-105 Gallons

    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

    $44.09

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    Professional External Canister Filter Media, Sintered Quartz Rings, Bio-Media, Highly porous efficient sintered quartz Bio-Ring Media is ideal for.., By Hydor

    Professional External Canister Filter Media, Sintered Quartz Rings, Bio-Media, Highly porous efficient sintered quartz Bio-Ring Media is ideal for.., By Hydor

    "Main products of our company :electric, home,toy,clother ,etc. Since its foundation ,the company keeps living up to the belief of :""honest selling ,best quality ,people-orientation and benefits to customers. ""We are doing everything to offer our... more

    $25.89

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 5-10 Gallons (15 Watts) - Pack of 3

    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 5-10 Gallons (15 Watts) - Pack of 3

    Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.This is an offering for multi quantity bundle - 3 count more

    $45.98

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    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 2-5 Gallons (7.5 Watts) - Pack of 2

    Hydor Slim Heater for Micro Tanks & Mini Aquariums Aquariums 2-5 Gallons (7.5 Watts) - Pack of 2

    Helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.This is an offering for multi quantity bundle - 2 count more

    $35.49

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