The Petromax Tea and Coffee Percolator can brew your preferred coffee or favourite tea while preserving their natural flavour. With the Perkomax, up to 9 small cups, 4 mugs (1.3L) of coffee or tea can be prepared. It is the ideal choice for outdoor, camping, and garden activities but is also induction and electric hob friendly so great for your indoor morning brew too!. The Petromax Perkomax is suitable for all cooker types and on cooking fires.