WKH-3450 Kerosene Heater Heat Output: Max. 12, 500BTU/hr Fuel Tank: Cartridge type Tank Capacity: 3.8L Continuous Combustion Duration: About 9 to 14 hours Heatint Area: 21M3 Maximum Fuel Consumption: 0.36L/hr Ignition Type: Battery Gross/Net Weight: 14/12KGS Dimensions (mm): 635(W) x 305(D) x 508(H) Loading Qty: 20ft(235) / 40ft(487) / 40ft HQ(606)