Math Cover Photo HUUM HIVE Flow Mini LS. Wood Burning Sauna Stove w Firebox Extension, 8. 5kW The HUUM HIVE Flow Mini LS Sauna Stove with a Firebox Extension has an innovative design, ensuring that 75% of the heat from the firewood directly heats your sauna rather than escaping through the chimney. It stands out as one of the most efficient and environmentally sustainable heaters for sauna rooms from 212 to 494 cubic feet (CF). Required sauna stones (7 boxes) sold separately. Features Wood burning Firebox extension Unique design Economical wood use Low environmental impact Mild and long lasting steam Innovative patent pending furnace construction BImSchV and CPR certificate for compliance Designed, engineered, and made in Estonia For sauna rooms from 212 to 494 cu. ft. 231 pound stone capacity (required 7 boxes sold separately) Dimensions: 17. 7"W (45 cm) x 26. 5"D (67 cm) x 34. 8"H (88 cm) Limited 5 year warranty (excluding elements) Includes Sauna Stove Metal Grate Heat Resistant Glove Splints Metal Fixing Plates (2) Ash Grate Cleaning Hatches (2) Ash Drawer Installation and Operational Manual 5 Year Limited Warranty (Excluding Elements) Specifications Model HIVE FLOW MINI LS Kilowatt Rating 8. 5kW Primary Fuel Wood Maximum Firewood Length 12" (30 cm) Minimum Cubic Feet 212 Maximum Cubic Feet 494 Minimum Room Height 75" (191 cm) Flue Connection Location Top and Back Heater Weight 130 lbs (59 kg) Shipping Weight with Sauna Stones 361 lbs (164 kg) Safety Distance Front to Back 52. 5" (133 cm) Safety Distance Left to Right 30" (75 cm) Width 17. 7" (45 cm) Depth 26. 5" (67 cm) Height 34. 8" (88 cm) Technical Installation and Operation Manual HUUM HIVE Flow Sauna Stove IOM. pdf Certificate HUUM HIVE Flow Mini Sauna Stove BImSchV Certificate. pdf HUUM HIVE Flow Mini Sauna Stove CPR Certificate. pdf Stone Requirements HUUM Stone Requirements. pdf