Hydor Theo 300 Watt Aquarium Heater

Hydor Theo 300 Watt Aquarium Heater is a fully submersible, shatter-proof glass aquarium heater.

• Maximum security: THEO is shock resistant thanks to the PTC heating element and the shatterproof glass tube
• Free positioning in aquarium with supplied suction cups
• Self-limiting: the patented PTC heating system guarantees operation in complete safety because in case of dry running there is no danger for damage
•Temperature range: 70-94 degrees Fahrenheit