Puly Milk Frother Cleaner quickly and effectively removes milk and calcium deposits on and inside steam tubes. Regular use of Puly Milk Frother Cleaner improves the texture and quality of microfoam. A must have for all espresso machine owners. Product features: Dose: 25ml. Total doses: 40. Ideal for traditional, automatic and vending coffee machines. NSF certified. Completely non-hazardous.