Hydor Theo 100 Watt Heater

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One of the best and most reliable heaters on the market that won't break the livestock funds.

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
Fits in rear filtration chambers
120V AC UL listed
Included 5-1/2 ft cord
Easy adjustment, knob clicks every degree!
8.9" Tall
14-26 gallons aquarium size
Fully submersible or semi submersible (shows water level line)