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    ViaAqua 300-Watt Quartz Glass Submersible Heater with Built-In Thermostat

    ViaAqua 300-Watt Quartz Glass Submersible Heater with Built-In Thermostat

    High quality quartz glass submersible heater with a visible temperature readout more

    $12.73

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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

    $20.54

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    Marina Submersible Heater for Aquarium, 300-watt

    Marina Submersible Heater for Aquarium, 300-watt

    Powerful 300-watt Marina Submersible Aquarium Heater provides reliable heating for fresh or saltwater aquariums up to 80 US gallon aquariums. The heater includes many practical features for easy use, safety and convenience, including an easy-to-access... more

    $20.09

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    Via Aqua Quartz Heaters 300 Watt - Aquariums up to 80 Gallons - (14.8 High x 1.1 Diameter)

    Via Aqua Quartz Heaters 300 Watt - Aquariums up to 80 Gallons - (14.8 High x 1.1 Diameter)

    Extra durable quartz glass aquarium heater Fully submersible and break-resistant Easy to read temperatures Simple suction cup installation Adjustable temperature (68?-92?F) For freshwater and marine aquariums more

    $30.99 $17.84

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    Aqueon Submersible Aquarium Heaters (300 Watt)

    Aqueon Submersible Aquarium Heaters (300 Watt)

    Aqueon Pro Submersible Aquarium Heater works to reliably regulate the temperature in your fish tank with precision. This heater is appropriate for both freshwater and saltwater tanks and can be completely submerged in the water. The advanced technology... more

    $41.99 $29.99

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    Eheim Jager Aquarium Heaters 300 Watt - 20 Tall - (159-264 Gallons)

    Eheim Jager Aquarium Heaters 300 Watt - 20 Tall - (159-264 Gallons)

    Completely submersible heater for aquariums Use in fresh or saltwater tanks Features protection against dry-running Simple thermostat adjusts from 64?F to 94?F more

    $56.99 $31.49

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    Seabreeze Heaters Turbo-Aire High Velocity Cooling Fan 3200-0

    Seabreeze Heaters Turbo-Aire High Velocity Cooling Fan 3200-0

    Free Shipping on Over 500K Items!

    Aerodynamic Turbo-Aire high velocity cooling fan delivers over 11,000 CFM of refreshing air which can be felt up to 20 ft. away. Consumes less electricity than a 100-Watt light bulb! Whisper quiet operation on all three speeds. 300% more energy... more

    $89.85

    FREE shipping

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    HomeDepot.com

    (100,000+)
    Aquatop Aquatic Supplies Submersible Digital Aquarium Heater 300 Watt D2ht-300

    Aquatop Aquatic Supplies Submersible Digital Aquarium Heater 300 Watt D2ht-300

    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.Suitable for tanks up to 100 gallons.300-watt.L x W x H 3.9 x 1.7 x 16.9 more

    $64.76 $47.97

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    Submersible Heater 300 Watts

    Submersible Heater 300 Watts

    Submersible heater 300 wattsPart #: AQE100001503Item Name: Submersible Heater 300 WattsID: 23426-pid more

    $48.40

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    Aquatop Aquatic Supplies Submersible Glass Aquarium Heater 300 Watt Gh300

    Aquatop Aquatic Supplies Submersible Glass Aquarium Heater 300 Watt Gh300

    Fully submersible glass heater offers simple and easy installation with use of suction cups.Maintain constant and stable temperatures for your aquatic creatures.Can handle aquariums up to 75 gallons.Easy to set and adjust.Made from high quality... more

    $29.27 $21.68

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    Fluval Advance Electronic Aquarium Heater (300 Watt)

    Fluval Advance Electronic Aquarium Heater (300 Watt)

    The Fluval Advanced Electronic Aquarium Heater is a highly accurate, safe and feature rich heater for your aquarium. With easy to adjust temperature controls, you can quickly and precisely set in 0.5deg; increments. An integrated fish guard insures... more

    $64.99 $55.99

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    "Aqueon 06104 Submersible Aquarium Heaters, 300 Watt"

    "Aqueon 06104 Submersible Aquarium Heaters, 300 Watt"

    "Introduces the most accurate, reliable, durable and easy to use aquarium heater on the market. For aquariums up to 100 gallons. Ul approved All aqueon heaters are guaranteed for life." more

    $24.18

    FREE shipping

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    Submersible Heater 300 Watts

    Submersible Heater 300 Watts

    Submersible heater 300 wattsPart #: AQE100001503Item Name: Submersible Heater 300 WattsID: 23426-pid more

    $39.99

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    PetFenceUSA

    (250+)
    Aqueon Supplies Aqueon Submersible Heater 300 Watt 100001503

    Aqueon Supplies Aqueon Submersible Heater 300 Watt 100001503

    AQUEON SUBMERSIBLE HEATERIntroduces the most accurate reliable durable and easy to use aquarium heater on the market.Available in five sizes/wattages to fit any size aquarium.All aqueon heaters are guaranteed for life.UPC 015905061049Size 300... more

    $56.58 $41.91

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    Fluval M300 Submersible Glass Aquarium Heater (300 watts)

    Fluval M300 Submersible Glass Aquarium Heater (300 watts)

    The Fluval "M" 300 watt submersible heater is quality manufactured in Europe using superior components and construction. This sleek, compact Fluval heater can be trusted for exceptional performance and unsurpassed reliability. Unique only to the Fluval... more

    $33.79 $25.99

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    Submersible Heater 300 Watts

    Submersible Heater 300 Watts

    Submersible heater 300 wattsPart #: AQE100001503Item Name: Submersible Heater 300 WattsID: 23426-pid more

    $48.40

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    TSCPets

    (1,000+)
    Fluval Vuetech E Series Heater 300 Watt - 14 Long - (Up to 100 gallons)

    Fluval Vuetech E Series Heater 300 Watt - 14 Long - (Up to 100 gallons)

    LCD displays actual water temperature High/low temperature alert Precise and easy temperature adjustment Fully submersible more

    $111.99 $58.79

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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

    $21.99

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    JBJ True Temp Titanium Heating System Kit for Aquariums, 300-watt

    JBJ True Temp Titanium Heating System Kit for Aquariums, 300-watt

    JBJ true titanium digital heater system is the most complete heating system to date with the most advanced features that set apart as the leading heater for aquarium hobbyists. more

    $129.84

    FREE shipping

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    Deep Blue Professional ADB12882 Heat Stik Sub Heater for Aquarium, Mini, 15-watt

    Deep Blue Professional ADB12882 Heat Stik Sub Heater for Aquarium, Mini, 15-watt

    With Deep Blue Professional you can have the benefit of aquariums and accessories with the features you want at prices you can afford. Manufactured by Deep blue professional. Made in United States. more

    $8.99

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    Aquatop Submersible Glass Aquarium Heater

    Aquatop Submersible Glass Aquarium Heater

    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

    $11.99

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    Fluval Edge Compact Aquarium Heater (25 w)

    Fluval Edge Compact Aquarium Heater (25 w)

    The Fluval 25 watt compact aquarium heater is an automatic, submersible heater for use in indoor aquariums. Without any adjustments needed, it is designed to reach and maintain the set temperature of 26C (78F). The exterior is made of a tough polymer... more

    $44.99 $24.89

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    Hagen Radiant Mini Compact Aquarium Heater

    Hagen Radiant Mini Compact Aquarium Heater

    Hagen Radiant Mini Compact Aquarium Heater - 25 WFeatures: Radiant Heater - Mini Compact 25 Watts It's Only 6'' (15 cm) so it's Ideal for small fresh or salt water aquariums Accurately maintains aquarium temperature and has sure-Grip rim attachment.... more

    $9.99

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    Slim Heater for Bettas and Bowls - 7.5W - Up to 5 gal.

    Slim Heater for Bettas and Bowls - 7.5W - Up to 5 gal.

    A 7.5 watt Slim Heater is ideal for your betta or small fish bowl 2 to 5 gallons in size. Bettas thrive in warm water; so it?s best to keep a small heater in your bowl. Shock proof heater is shaped to fit easily into a round fish bowl; above or below... more

    $15.99

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    (50,000+)
    Tetra HT30 Submersible Heater 100 Watt (1030 Gal)

    Tetra HT30 Submersible Heater 100 Watt (1030 Gal)

    HT Submersible Heater (100 Watt)The new Tetra HT10 and HT30 submersible heaters for aquariums ranging from 2 to 30 gallons are easy to use. The electronic thermostat automatically adjusts heat output to keep the water at a constant 78F. All you have to... more

    $19.86 $12.29

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

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

    For use in fresh or saltwater Shatter resistant construction Auto shut-off feature for safety and overheat prevention 68?-88?F range 6 foot power supply more

    $52.99 $26.24

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    Cascade Submersible Aquarium Heater 300 Watt - 12 - (Up to 75 Gallon)

    Cascade Submersible Aquarium Heater 300 Watt - 12 - (Up to 75 Gallon)

    Fully submersible aquarium heater Simple to use Automatically maintains desired water temperature Hyper accurate to within 1? more

    $27.99 $16.16

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    BettaTherm Heater 7.5 Watts

    BettaTherm Heater 7.5 Watts

    Convenient small round size heater fits most fish or Betta bowls Completely submersible, can be buried under gravel Increases temperature of water by 5-10? Safe for fglass or acrylic bowls and tanks more

    $18.99 $10.82

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    Aquatop Submersible Digital Aquarium Heater

    Aquatop Submersible Digital Aquarium Heater

    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

    $39.99

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    Submersible Heater 50 Watts

    Submersible Heater 50 Watts

    Submersible heater 50 wattsPart #: AQE100009498Item Name: Submersible Heater 50 WattsID: 18461-pid more

    $35.28

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    TSCPets

    (1,000+)
    Submersible Heater 100 Watts

    Submersible Heater 100 Watts

    Submersible heater 100 wattsPart #: AQE100001500Item Name: Submersible Heater 100 WattsID: 18456-pid more

    $42.51

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    TSCPets

    (1,000+)
    Fluval M200 Submersible Glass Aquarium Heater (200 watts)

    Fluval M200 Submersible Glass Aquarium Heater (200 watts)

    The Fluval "M" 200 watt submersible heater is quality manufactured in Europe using superior components and construction. This sleek, compact Fluval heater can be trusted for exceptional performance and unsurpassed reliability. Unique only to the Fluval... more

    $31.19 $23.99

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    Elive Precision Set Premium Aquarium Heater 250 Watt 01018

    Elive Precision Set Premium Aquarium Heater 250 Watt 01018

    ShatterproofThermal plastic designLed operating lights red-heating; green-at set temperatureFully submersibleFor freshwater and saltwater useLimited lifetime warrany includes suction cups 8 foot power cord more

    $48.45 $35.89

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    ETH 300 In-Line Heater for 16mm or .625 in. Tubing - 300W

    ETH 300 In-Line Heater for 16mm or .625 in. Tubing - 300W

    The ETH external In-Line heater uses the advanced PTC system; which is a special polymer sheet; silk-screened with heating ink (like your car's windshield defroster) instead of metal coils. This state-of-the-art system allows the unit to be left... more

    $55.95

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    (50,000+)
    Aqen Heater Submersible 100 Watts

    Aqen Heater Submersible 100 Watts

    Aqen Heater Submersible 100 Watts more

    $41.49

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    (600,000+)
    Aqen Heater Submersible 50 Watts

    Aqen Heater Submersible 50 Watts

    Aqen Heater Submersible 50 Watts more

    $38.99

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    (600,000+)
    Aqen Heater Submersible 200 Watts

    Aqen Heater Submersible 200 Watts

    Aqen Heater Submersible 200 Watts more

    $47.49

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    (600,000+)

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