<100-Watt

.hagen Heater Radiant 50 Watt 8in Accurately Maintains Aquarium Temperature. Sure-grip Rim Attachment.

.hagen Heater Radiant 75 Watt 8in Accurately Maintains Aquarium Temperature. Sure-grip Rim Attachment.

.hagen Heater Radiant 25 Watt 6in Accurately Maintains Aquarium Temperature. Sure-grip Rim Attachment.

.hagen Heater Radiant 50 Watt 6in Accurately Maintains Aquarium Temperature. Sure-grip Rim Attachment.

Aquatic 7.5 Watt Flat Heaters provide warmth for small tropical fish and are designed for glass or acrylic desktop aquariums 1 gallon to 3 gallons. They are completely submersible, easy to install and efficiently warm aquarium water. Suctions cups are...

Maintain constant and stable temperatures for your aquatic creatures to thrive with AquaTopís GH-50W aquarium heater. This fully submersible glass heater offers simple and easy installation with the use of the included suction cups and can handle...

Aquatic 15 Watt Flat Heaters provide warmth for small tropical fish and are designed for glass or acrylic desktop aquariums 4 gallons to 10 gallons. They are completely submersible, easy to install and efficiently warm aquarium water. Suctions cups are...

Aqueon Preset Aquarium Heaters require no adjusting! The preset temperature has been calibrated to 78ø, appropriate for most tropical fish. Itÿis fully submersible, constructed of shatter-resistant quartz glass and features an automatic safety shut-off...

Tetra's HT line of heaters are easy-to-use and work in aquariums ranging from 2 to 55 gallons. The HT10 and HT30 have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. The HT55 is adjustable between 72...