The Spirit 550 Wood Stove is designed to heat up to 1,800 square feet, with convective heat shields that provide a soothing radiant heat. The heavy duty folded steel firebox is lined with firebrick, providing maximum heat output and efficiency, while the exterior is treated and then coated with a high temperature charcoal paint for years of durability and maximum heat radiance into the room. Features a large ceramic glass viewing window that gives a beautiful view of the fire and a removable baffle and ash pan for easy cleaning. Accepts 16-1/2" logs. EPA certified in all states and mobile home approved with Optional Fresh Air Kit. BOSCA (Burns Own Smoke Clean Air) stoves are imported from Chile and feature a special Easy-Lighting technology that makes starting the fire simple and clean. All BOSCA stoves are backed with the award winning customer service of United States Stove Company.