Midi Catalytic Heater - Be warm on board this winter with a 6000Btu Heater. With safety in mind the gas is burnt away without a flame at a relatively low temperature making this a clean, economic and safe heater. It can be bulkhead mounted or free standing and comes with flame failure device. Uses either propane or butane gas and does not give off any carbon monoxide. Size 16.5”x12.5”x3”.