biomass stove for pellet and coal sepcifical for coal,pellet,wood,straw,etc. ... smokeless,no tar,1.5kg firewood can last 1-2hour Main Features and ... its strong and adjustable flame, low emission, and high thermal effectiveness and can be lighted directly and fast ... air tightness, free of smoke, environmentally friendly and healthful, thus they can decrease disease rate.6 ...