Hydor THEO Shatterproof Aquarium Heater Ideal for 23-40 Gallon Tanks, 12 Inches Long

Aquarium and turtle tank heater, resistant and anti-thermal shock. Fully submersible, it can be positioned horizontally or vertically. Supplied with suction cups for fixing to the tub.Technology with protection Ptc film that avoids overheating for maximum safety, controls the temperature by limiting the power in case of anomalous operation, shatterproof glass tube.Equipped with a graduated scale that allows you to set the desired temperature and maintain it precisely.Regular cleaning of the heating tube is recommended to eliminate any limestone deposits.This model has a power of 150 Watts. Overall dimensions: diameter 1.18 in, height 12 in. Recommended for aquariums from 23 to 40 US gal..