Made from biodegradable and phosphate free ingredients that are derived from natural sources. Eliminates coffee residue and oils from espresso machine groupheads, valves and lines. Keeps screens and filters clear for even extraction. Removes coffee stains from batch brewer filter baskets and servers. Can also be used to make a soaking solution to clean other equipment, parts and accessories. Odorless. 500 g jar (17.6 oz). Video instructions available - learn how to backflush and clean portafilters