Ponderosa is the biggest woodstove that we make and it pumps out big heat. This beautiful 3 16 in. steel stove is also one of the cleanest burning, EPA certified stoves on the market (without catalyst). It's clean lines and simple design compliment many interior designs.Heavy gauge 3 16 in. reinforced plate steel with firebrick lining Cast iron feed door with large ceramic glass window (15 in. x 9 in.) Adjustable high speed (150 CFM) blower Safety tested to UL standard 1482-2010 ULC-S627-00 Large ash drawer for easy ash removal Burns up to 14 hours on one fueling Holds up to 30 pounds of wood EPA certified airtight Efficiency rating 82% Accepts 22 in. logs Canadian listed VentedCollection: Ponderosa Depth: 38-1 2 Efficiency: 75 EPA Approved: Yes Finish: Metallic Height: 33 Indoor Outdoor: Indoor Material: Steel Mount Type: Freestanding Pedestal Base: Yes Rear Heat Shield: Yes Side Heat Shield: Yes UL Listed: N-No UL Code Rating Weight: 400 Width: 24Consult your local building code agency, prior to installation, to ensure compliance with local codes-including permits and inspections.