Primus eta spiderexpress multifuel kit description upgrade your eta spider express spider stove primus 354093 to a multi fuel stove converts the stove for multifuel use with many different liquid fuels including naphtha fuel white gasoline lead free petrol and even kerosene in emergencies the kit includes a 035 litre fuel bottle ergopump multi tool with cleaning needle and jet nipples a practical storage bag is included weight 243 g