The Osburn 1600 fireplace insert offers an efficient and cost-effective heating solution. It transforms your existing fireplace into an economical wood stove, sealing in heat and allowing for slower, more efficient burning. The compact design fits into smaller fireplaces, and the 130-CFM blower enhances energy performance while meeting EPA standards. It's an environmentally friendly choice, directing heat up the chimney and reducing emissions. Key details: Model Number: OB01601 High-efficiency and EPA approved Recommended heating area: 500-1,800 sq. ft. Includes a blower with ultra-quiet crossflow design and variable speed control (130 CFM) Equipped with a thermodisc to turn off the blower when cooling Metallic black color Glass air-wash system Steel thickness (top): 5/16 inches Optimum efficiency: 80% Emissions: 4.4 grams/hour High heat-resistant C-cast baffle Refractory brick lining in the firebox for improved heat distribution Stainless-steel secondary-air system for enhanced combustion Adjustable handle Provides a constant view of the fire Recommended chimney diameter: 6 inches May qualify for government incentives.