Hydor Theo Shatterproof Aquarium Heater, 50-Watt & Ideal For 5 To 14 Gallon Fish Tanks, 7-Inches Long

Hydor Theo Shatterproof Aquarium Heater, 50-Watt & Ideal For 5 To 14 Gallon Fish Tanks, 7-Inches Long

Hydor Theo 50-Watt Aquarium Heater is a fully submersible; shatter-proof glass aquarium heater ideal for 5-to-14-gallon fish tanks; measures 7 inches long Maximum Safety Aquarium Heater; THEO fish tank heater is shock resistant thanks to the patented PTC heating element and the shatterproof glass tube Free positioning in aquarium with supplied suction cups; The Theo aquarium heater can be placed in the fish tank vertically, horizontally and fully submerged Self-Control Limiting Technology; If heater senses abnormal functioning patented PTC heating system guarantees completely safe operation in case of dry running Great Fish Tank Heater for All Fish Tanks; Universal aquarium heater for use in fresh water or marine water fish tanks