Hydor Theo Aquarium Heater (200 watts)

Hydor ETH In-Line (UL) Aquarium HeaterThe Hydor ETH In-Line (UL) Aquarium Heater is super safe with its self-limiting PTC heating element that guarantees maximum safety against any risk of overheating. This heater is built with solid self-extinguishing materials for extra safety. Offers high precision electronic temperature control with signal light. Easy to connect to any canister filter, this universal heater is suitable for marine and tropical aquariums. The exclusive technology and the high quality...

Hydor THEO (UL) Submersible Aquarium HeaterThe Hydor Theo&trade aquarium heater features PTC patented thermal technology which makes it among the safest aquarium heater lines on the market. The patented PTC heating system guarantees operation in complete security because if you run it dry there is no danger of damage. UL Listed by design, not by the use of accessories. The first shatter-proof heater thanks to the peculiar properties of our glass tube. This heater is made from specially engineered...

Hydor THEO (UL) Submersible Aquarium HeaterThe Hydor Theo&trade aquarium heater features PTC patented thermal technology which makes it among the safest aquarium heater lines on the market. The patented PTC heating system guarantees operation in complete security because if you run it dry there is no danger of damage. UL Listed by design, not by the use of accessories. The first shatter-proof heater thanks to the peculiar properties of our glass tube. This heater is made from specially engineered...

Hydor THEO (UL) Submersible Aquarium HeaterThe Hydor Theo&trade aquarium heater features PTC patented thermal technology which makes it among the safest aquarium heater lines on the market. The patented PTC heating system guarantees operation in complete security because if you run it dry there is no danger of damage. UL Listed by design, not by the use of accessories. The first shatter-proof heater thanks to the peculiar properties of our glass tube. This heater is made from specially engineered...

Hydor THEO (UL) Submersible Aquarium HeaterThe Hydor Theo&trade aquarium heater features PTC patented thermal technology which makes it among the safest aquarium heater lines on the market. The patented PTC heating system guarantees operation in complete security because if you run it dry there is no danger of damage. UL Listed by design, not by the use of accessories. The first shatter-proof heater thanks to the peculiar properties of our glass tube. This heater is made from specially engineered...

Hydor Mini Heater Aquarium Heater (7.5 watts) helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned. Extra small: easy to hide in mini-tanks and bowls Super safe even under-gravel - no shock risk Completely submersible, ideal for use in both glass and acrylic tanks No damage if left running dry UL Listed

Hydor Theo Aquarium Heater (200 watts) 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.Aquarium heater ideal for up to 100 gallon tanks. Temperature Controlled And Maintained By A Highly Precise Micro-Switch, Ptc Element, Can Be Used Dimensions (L x W x H):3.5 x 2 x 14.5 Your Pet will Love it.

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 and precise temperature maintenance of the water in your tank. The exclusive technology and the high quality of components guarantee a long lasting product.High resistance - the first shatter proof heater Shock resistant Position vertical, horizontal...

Hydor Theo Aquarium Heater (300 watts) Provide your aquarium with the most advanced aquarium heater technology available with Hydor THEO Aquarium Heaters. These heaters feature a unusual cylindrical shape that renders them virtually shatterproof. Their special PTC, or positive thermal coefficient, heating element as well as their unique special polymer sheet silk-screened with heating heat (similar to a car's defroster) which allows the unit to run dry for a short time without damage, making these...

Hydor 15 Watt Mini Heater For Tanks 5-10 GallonsMINI HEATER helps increase by a few degrees Fahrenheit/Celsius the water temperature of mini aquariums compared to the room temperature where they are positioned.Specifications: 15 Watts 15.8 x 6.

Theo 400W For Aquariums 80–105 gallons New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology.The Hydor Theo heater line features PTC patented thermal technology which makes it among the safest aquarium heater lines on the market. UL Listed by design, not by the use of accessories. Made from specially engineered shatterproof glass which, while not unbreakable, is designed to resist breakage in most normal aquarium situations.