Tea and Coffee Percolator "Perkomax" (Black)Petromax Tea and Coffee Percolator "Perkomax" (Black) per 9 s Details The Petromax Perkomax is ideal to prepare an aromatic tea or coffee without much effort. The unique percolator principle gives coffee and tea a delicious flavor. Great on all sources of heat The Perkomax is suitable for outdoor and indoor use: It can be used on a barbecue and over a campfire, as well as on a cooking plate, a ceramic glass cooktop and an induction cooker. The