Increase the efficiency of your oil, wood, & coal burning stoves, when exhaust gases reach a certain temperature, the electric fan forces cool air circulate in heated tubes which is then pumped out into the room, this increases heat efficiency & will use less fuel to heat the same amount of space, ul approved.

Specifications

• Dimension: 10.63″ x 14.25″ x 18.25″.
• Country of Origin: USA
• Weight: 28 lbs