Aquarium Sys Visi-Therm Submersible Heater 300w

Visi Stealth is a submersible aquarium heater, ideal for aquariums up to 30 gallons. The new shatterproof, thermal plastic is so streamlined that you cant tell that its there! The product is 10 inches long, has a temperature select dial, has reinforced plastic casing, overheat protection, an aluminum cylinder, and an eight-cavity heating element and stock absorber. The Visi Stealth is uses 100 watts and is great for freshwater or marine aquariums. To use, attach suction cups, set the temperature...

The Theo Heater is 9" long and uses 100Wattts of power. It is an aquarium heater ideal for tanks up to 50 gallons. It is temperature controlled and maintained by a highly precise micro-switch, ptc element, and can be used positioned inside some hydor filters.

The Eth 201 Inline Heater Unit is suitable for canister filters and sump tanks. To use, Cut Outlet Tube of the Canister Filter. Join the Two Parts of the Tube to the Heater's Connectors. Product is completly safe and has Strong Shock Resistant Components. It has Electronic Control and a 5/8In Hose Connector. Product is made with Plastic. Item uses 200 Watts.