Sera 200W Aquarium Heater 

A high quality heater with a 2 mm glass tube and precision protection circuit. 
Sera aquarium heaters are very short and are easy to install in small aquariums. The function control (on/off) is achieved by means of a small lamp.

25W Heater Specifications:

* Length: 11.8"
* Recommended Aquarium Size: 26-66 gal.
* Fully Submersible
* Includes Protective Grid Guard
* 2 Years Manufacturer's Warranty