Puly Caff Group Head Cleaner 900 GramPuly Caff Group Head Cleaner is an essential part of your coffee machine cleaning supplies. Clean machines produce better tasting coffee and also have less problems meaning your machine can keep producing great tasting coffee for longer. Puly Caff Group Head Cleaner quickly cleans group heads with it's fast dissolving formula that leaves no residue and means machines continue to produce great tasting coffee with no aftertaste or odour.