Black Cat Catalytic Heater Small pack size with large output. Perfect for touring and heating up the tent before going to bed. Not very good outside under an awning. Flameless, whisper quiet heater utilising platinium catalytic technology. Suitable for use inside tents or other enclosed areas (must be ventilated). Works up to 8 hours on a coleman cartridge, 3000 btu output. Limited lifetime warranty, 24x24x19 W1.7kg Price: $79 Procat Designed for indoor use and base camping. Use the fan for better heat circulation (2 D Batteries not included) o 3,000 BTU o Catalytic heater with platinum technology provides flameless warmth. Pressure-regulated propane fuel system Operates up to 8 hours on Coleman propane cylinder. Limited lifetime warranty. 40x30x27 W3.5kg Price: $169