The first shatter-proof heater thanks to the peculiar glass tube.
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.
Other Items from Hydor
THEO 50w Heater -
THEO 100w Heater -
THEO 150w Heater -
THEO 200w Heater -
THEO 300w Heater -
THEO 400w Heater -
ETH 300 watt In-line Heater -