Shatterproof Constant Temperature Mini Heater Heating Warmer Aquarium (8W) black.The fish tank mini heater is made of carbon fiber. It is small and will not occupy much space. The mini heater is used to heat the fish tank water and even turtle tank water, and it can not hurt the small animal. Features: Small size: the heater is small, easy to use and it will not occupy much space. The mini heater is used to heat the fish tank water and even the turtle tank water; not hurt the small animal. Anti