The multifuel Optimus Polaris stove with its single jet technology delivers cooking performance with LPG, white gas, kerosene, diesel and jet fuel without having to change parts. Integrated cleaning needle for quick and easy cleaning of the jet even during cooking. Durable aluminum pump for all temparate conditions. Flipstop pump assembly clears the buner of fuel and depressurizes the fuel bottle. Integrated 4 season mode with using gas canisters increases heat output when the temperature drops or quicker boil time.