Drypack stoves solid fuel systems It works with pellet fuel, which is the cleanest fuel in it. Manually operated stoves It is completely without electricity. Thanks to the specially designed fuel tank, fuel intake and combustion chamber system, there is no need for HELOZON. Thanks to its ventilation system, it provides maximum oxygen circulation in its fireproof chamber and does not need a fan. The glasses used in Drypack stoves are ceramic and bora silicate glasses and are resistant to temperatures up to 800°C.