... conveniently.no smoke,no ash ,no odor,longer burn Gel fuel(Ethanol) ------a solution to clean energy ,soot ,smoke&odor free1..Through,ISO9001-20082.. no smoke,no ash,no ... /CTNCTNS/20GP2.5 hours200g83mm55mm45mm515*345*174mm72pcs900 metal canned cooking fuel in ethanol (200g)