MINI heater for small aquariums and fish bowls up to 40l. (10 gal)   

Extra small: easy to hide in mini-tanks and bowls. No setting needed!
 
Extra safe even under gravel.    

Completely submersible, ideal for use in both glass and acrylic tanks.

No damage if left running dry.
   
Helps increase by a few degrees Celsius/ Fahrenheit the water temperature of mini aquariums compared to the ambient/room temperature where it is positioned (normally by about 4 degrees).

Includes suction cup and holder for attaching to the side of the glass.