This is a wood burning heater forced air heater. It comes with a fan mounted on the back that blows air through the heater and out the front pipe. Made from heavy gauge 1/8 thick steel, these heaters really throw the heat! The fan is two speeds, Hi/Low. The firebox grate is made from 1″ x 1/4″ thick angle. On the bottom is an ash pan that pulls out for easy cleanout. Professionally powder coated for long life. Weighs in at 230 lbs. New squirrel cage fan. One 90 degree elbow to direct hot air.