Expertly designed for maximum efficiency, the 3500 WOOD INSERT is the perfect choice for any household. With a chimney diameter of 6" and an average particulate emissions rate of 1.6 g/h, this insert guarantees a clean and environmentally-friendly burn. The large firebox volume of 3.5 ft³ allows for a maximum burn time of 10 hours, ensuring continuous warmth throughout the day. With a recommended heating area of 1,000 - 2,700 ft² and a blower included, this wood insert will keep your home comfortably heated all winter long.