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    Penn Plax Cascade Heat Submersible Preset Fish Aquarium Heater 13" 300w Ch12300

    Penn Plax Cascade Heat Submersible Preset Fish Aquarium Heater 13" 300w Ch12300

    Penn Plax Cascade Heat Submersible Preset Fish Aquarium Heater 13" 300W CH12300 Click to view supersize image Cascade Heat Submersible Heater 13" - 300W CH12300 *13"/300 WATT HEATER FOR 75 GALLON FRESH AND SALT WATER AQUARIUMS *FULLY SUBMERSIBLE, CAN... more

    $17.99

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    13" 100g 300w High Quality Quartz Submersible Aquarium Heater, One Year Waranty

    13" 100g 300w High Quality Quartz Submersible Aquarium Heater, One Year Waranty

    High Quality Quartz 300 watt heater is perfect for aquariums up to 100 gallons (3750 liters). The unique design includes an easy-to-see, adjustable thermostat with a temperature ranging from 65° to 93° F (20° to 33° C), high impact safety glass, and... more

    $7.19

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    Azoo 300 Watts Titanium Electronic Aquarium Heater

    Azoo 300 Watts Titanium Electronic Aquarium Heater

    Azoo Titanium Heater - 300 Watt Information AZOO Titanium Electronic Heater 300 Watt *US Version* This Azoo 300W Titanium Heater adapts the latest electronic heating control technology. Temperature control range 70~92°F, ±1°F Titanium tube body, free from more

    $40.00

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    Aquatop Aquarium Glass Submersible Heater, 300-Watt

    Aquatop Aquarium Glass Submersible Heater, 300-Watt

    Maintain constant and stable temperatures for your aquatic creatures to thrive with Aquatop s GH-300W aquarium heater. This fully submersible glass heater offers simple and easy installation with the use of the included suction cups and can handle... more

    $15.73

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    Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 - Aquarium Heat

    Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 - Aquarium Heat

    Hydor Submersible Aquarium Heater: 300 Watt - 15.5 Long - (53 - 80 Gallons) #T11402 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

    $24.44

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    Aqueon Aqueon Submersible Aquarium Heaters: 300 Watts - (3.7 L x 1.5 W x 17 H) #6104 - Aquarium Heat

    Aqueon Aqueon Submersible Aquarium Heaters: 300 Watts - (3.7 L x 1.5 W x 17 H) #6104 - Aquarium Heat

    Aqueon Aqueon Submersible Aquarium Heaters: 300 Watts - (3.7 L x 1.5 W x 17 H) #6104 Aqueon Submersible Aquarium Heater is a completely submersible aquarium heater with precise temperature setting. Featuring a shatter resistant construction, this... more

    $23.26

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    Heater 300 Watts Submersible Aquarium Freshwater Tropical Fish Marine 60 75 90

    Heater 300 Watts Submersible Aquarium Freshwater Tropical Fish Marine 60 75 90

    TopDogSellers Shipping Payment Returns Other Info Odyssea Submersible Heater 300W This listing is for 1 Heater A submersible heater is an intricate part of every aquarium setup. Temperature fluctuations may cause stress from your fish and coral. A... more

    $9.95

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    Finnex Hps 300 Digital Aquarium Heater 300w Memory

    Finnex Hps 300 Digital Aquarium Heater 300w Memory

    Finnex HPS 300 Digital Aquarium Heater 300w Memory These newly designed Finnex digital glass heaters are fully submersible can be used in both fresh and marine aquariums. The red LED digital display allows users to visibly read current temperatures in... more

    $33.00

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    Aquarium Digital Heater Controller Hc-0810 + Aquarium 300w Sumbersible Heater

    Aquarium Digital Heater Controller Hc-0810 + Aquarium 300w Sumbersible Heater

    About Heater Controller: This electronic controller has a maximum load of 800 watts and has a overload fuse of 10 amps. Comes with a 3 prong receptacle that allows you to add any size heater up to 800 watts. The electronic controller maintains the... more

    $69.99

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    Aquatop D2HT-300 Aquarium Heater Digital Dual Display, 300-Watt

    Aquatop D2HT-300 Aquarium Heater Digital Dual Display, 300-Watt

    The D2HT-300 300 Watt submersible digital aquarium heater is perfect for 75-100 gallon aquariums. The temperature is adjustable from 65* F and 93*F using the easy to adjust thermostat. Built with high impact safety glass and waterproof insulation. The... more

    $49.60

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    Marineland ML90654 Precision Heater for Aquarium, 300-watt

    Marineland ML90654 Precision Heater for Aquarium, 300-watt

    Get precise control of your aquarium temperature with the Precision Submersible Heater. This Heater combines an adjustable temperature dial, a high visibility temperature display and an advanced heating element to keep your aquarium water at the... more

    $32.53

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    Aqueon 06104 Submersible Aquarium Heaters, 300 Watt

    Aqueon 06104 Submersible Aquarium Heaters, 300 Watt

    Aqueon features a variety of accessories to help keep your fish and their aquatic environment clean and healthy. Aqueon introduces the most accurate, reliable, durable and easy to use aquarium heaters on the market. Available in five sizes/wattages to... more

    $20.63

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    110V 300W Watt Anti-Explosion Submersible Aquarium Fish Tank Water Heater

    110V 300W Watt Anti-Explosion Submersible Aquarium Fish Tank Water Heater

    This aquarium pond fish tank water heater is to keep the water temperature inside the tank steady and even allow temperature distribution in larger aquariums. Most tropical fish are warm water fish and need a constant warm temperature in the aquarium... more

    $12.99

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    Rakuten.com Shopping

    (1,000,000+)
    AQUATOP Aquarium Submersible Glass Heater 300W GH300

    AQUATOP Aquarium Submersible Glass Heater 300W GH300

    Fully submersible glass heater offers simple and easy installation with use of suction cups. Maintain constant and stable temperatures for your aquatic creatures. Easy to set and adjust. Made from high quality insulated glass.50 Watt is for aquariums... more

    $69.99 $23.09

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    Rakuten.com Shopping

    (1,000,000+)
    AQUATOP Digital Aquarium Heater - 300W

    AQUATOP Digital Aquarium Heater - 300W

    Dual digital display shows current and target temperature. Energy saving automatic shutdown once target temperature is reached. Temperatures adjust between 65 and 93 degrees fahrenheit.100-watt is suitable for tanks up to 30 gallons. 200-watt is... more

    $89.95 $54.99

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    Rakuten.com Shopping

    (1,000,000+)
    Hydor THEO 300W (UL) Submersible Aquarium Heater, 300 Watts

    Hydor THEO 300W (UL) Submersible Aquarium Heater, 300 Watts

    Free Shipping on Orders Over $49!

    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

    $39.99 $33.72

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    petco.com

    (200,000+)
    ViaAqua Titanium 300 Watt 80 Gallon Aquarium Heater

    ViaAqua Titanium 300 Watt 80 Gallon Aquarium Heater

    Getting your aquarium water to have the precise temperature that they like can be done instantly with the ViaAqua VA300W Titanium Heater from Pet Store. This is a convenient substitute for larger devices that may put a lot of strain on your case`s... more

    $41.63

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    PetStore.com

    (2,500+)
    Aqueon Submersible Aquarium Heater 300 Watt

    Aqueon Submersible Aquarium Heater 300 Watt

    Thermal shatter-resistant glass and dual calibration process make this submersible heater extremely durable and accurate to +/- 1 degree F. Unit switches itself off if the heater is not properly submersed, avoiding overheating and damage. An indicator... more

    $23.26

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    PetStore.com

    (2,500+)
    Cobalt Aquatics Accu-Therm 300 Watt Aquarium Heater

    Cobalt Aquatics Accu-Therm 300 Watt Aquarium Heater

    Cobalt Aquatics Accu-Therm 300 Watt Aquarium Heater Features Fully submersible heater Easy temperature setting Computer tested, accurate 2 F Triac equipped thermostat Borsilicate glass for superior heat and shock resistance ON/OFF indicator light... more

    $35.77

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    PetStore.com

    (2,500+)
    Cobalt Aquatics Accu-Therm 300 Watt Aquarium Heater

    Cobalt Aquatics Accu-Therm 300 Watt Aquarium Heater

    Cobalt Aquatics Accu-Therm 300 Watt Aquarium Heater Features Fully submersible heater Easy temperature setting Computer tested, accurate 2 F Triac equipped thermostat Borsilicate glass for superior heat and shock resistance ON/OFF indicator light... more

    $33.99

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    MarineDepot.com

    (25,000+)
    Aqueon 06104 Submersible Aquarium Heaters 300 Watt

    Aqueon 06104 Submersible Aquarium Heaters 300 Watt

    Aqueon introduces the most accurate. reliable. durable and easy to use aquarium heaters on the market. Available in five sizes/wattages to fit any size aquarium. All Aqueon heaters are guaranteed for life. 300 Watt more

    $23.80

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    Fluval 300 Watt E-Series Electronic Aquarium Heater

    Fluval 300 Watt E-Series Electronic Aquarium Heater

    FLUVAL E SERIES HEATERS. Simply the most technologically advanced heaters available today, the Fluval E series advanced electronic aquarium heater with VueTech technology delivers peace of mind by continuously displaying real time water temperature.... more

    $62.99

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    MarineDepot.com

    (25,000+)
    ViaAqua Titanium Aquarium Heater 300-Watt

    ViaAqua Titanium Aquarium Heater 300-Watt

    The Commodity Axis ViaAqua Titanium Heater incorporates the best technology and electrical components to date. This heating element is manufactured of pure titanium that will not crack like conventioNAl glass heaters. Both heating probes are virtually... more

    $45.29

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    ViaAqua Titanium 300 Watt 80 Gallon Aquarium Heater

    ViaAqua Titanium 300 Watt 80 Gallon Aquarium Heater

    Length: 11. more

    $41.99

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    MarineDepot.com

    (25,000+)
    Aqueon Submersible Aquarium Heaters (300 Watt)

    Aqueon Submersible Aquarium Heaters (300 Watt)

    $38.99 $29.99

    FREE shipping

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    Penn Plax Cascade 300 Watt Submersible Aquarium Heater

    Penn Plax Cascade 300 Watt Submersible Aquarium Heater

    Features For aquariums up to 75 gallons 300 watts 12 long Easy view on/off light The Penn Plax Cascade 300 Watt Submersible Heater is for Aquariums up to 75 Gallons Automatically sets and maintains to your desired temperature and is accurate to one degree more

    $28.10

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    Fluval M Submersible Heater Multicolor - A787, 300 watt - up to 80 gallons

    Fluval M Submersible Heater Multicolor - A787, 300 watt - up to 80 gallons

    Shop for Pump Replacement Parts from Hayneedle.com! The sleek and compact Fluval M50 Submersible Heater provides exceptional performance and reliability. This heater uses an exclusive mirror technology that reflects the colors of the aquarium and... more

    $37.99 $25.99

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    Marineland Precision Submersible Aquarium Heaters 300 Watt

    Marineland Precision Submersible Aquarium Heaters 300 Watt

    Marineland Precision Submersible Aquarium Heater features a built-in thermal safety switch that maintains proper aquarium water temperature within 1 degree of accuracy. The thermal safety switch prevents heater failure during operation. If the... more

    $28.99

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    PetSolutions

    (25,000+)
    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

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    PetSolutions

    (25,000+)
    Aqen Heater Submersible 300 Watts

    Aqen Heater Submersible 300 Watts

    "AQUEON - AQUEON SUBMERSIBLE HEATER 300W. Aqueon introduces the most accurate, reliable, durable and easy to use aquarium heaters on the market.Available in five sizes/wattages to fit any size aquarium. All Aqueon heaters are guaranteed for life." more

    $35.35

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    Finnex 300-Watt Hang-On Electronic Controller Aquarium Heater, Titanium Tube, 80 to 100-Gallon

    Finnex 300-Watt Hang-On Electronic Controller Aquarium Heater, Titanium Tube, 80 to 100-Gallon

    Finnex 300-Watt Hang-On Electronic Controller Aquarium Heater, Titanium Tube, 80 to 100-Gallon The Finnex Compact Electronic Titanium Heaters maintain water temperature within +/-2 F of the set value providing a safe, healthy and stable temperature for... more

    $45.79

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    Wag.com

    (1,000+)
    "Hydor Theo Heater 300 Watt for 53-80 Gallons (24/Cs)"

    "Hydor Theo Heater 300 Watt for 53-80 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

    $29.56

    FREE shipping

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    Theo 300 Watt Heater For Aquariums

    Theo 300 Watt Heater For Aquariums

    The Theo Heater is 15.5'' long and can be placed anywhere in the aquarium tank. It is completely submersible and shatterproof, making it completely safe. Product is made with glass, metal, and plastic. Product uses 300 Watts.Color: BlackSize: 3.5'' x... more

    $33.50

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    FLUVAL E 300 watt Advanced Electronic Heater

    FLUVAL E 300 watt Advanced Electronic Heater

    Simply the most technologically advanced heaters available today, the Fluval E series advanced electronic aquarium heater with VueTech technology delivers peace of mind bycontinuously displaying real time water temperature. Equipped with an advanced... more

    $79.99 $55.99

    FREE shipping

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    12 in. 300 Watt Heater for 75/125 gal. Aquarium

    12 in. 300 Watt Heater for 75/125 gal. Aquarium

    $37.99

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    Finnex Digital Temperature Control Glass Heater, 300-Watt

    Finnex Digital Temperature Control Glass Heater, 300-Watt

    Finnex Digital Temperature Control Glass Heater, 300-Watt These newly designed Finnex digital glass heaters are fully submersible and can be used in both fresh and marine aquariums. The red LED digital display allows users to visibly read current... more

    $24.49

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    Wag.com

    (1,000+)
    Theo 400 Watt Heater For Aquariums

    Theo 400 Watt Heater For Aquariums

    The Theo 400W Heater is perfect for uses in aquariums 80-105 gallons (300-400 liters). Product is completely submersible. Uses standard 110V outlet.Color: BlackSize: 3.5'' x 2'' x 17.5'' more

    $35.50

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    More information about Fish Supplies

    Best prices on 300w 300 watts aquarium in Fish Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Pet Supplies merchants and buy with confidence.
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