Tell other customers about this product.
Theo Heaters
New aquarium heater functioning with the exclusive PTC (Positive Thermal Coefficient) technology. The first shatter-proof heater thanks to the peculiar glass tube. Free positioning in the aquarium: vertical, horizontal and completely submerged. The patented PTC heating system guarantees operation in complete security because in case of dry running the heater shuts off. UL Approved. Lifetime Guarantee!
