URNEX Biocaf Coffee Equipment Cleaning Tablets Condition: New Size: 120 Tablets Pack Size: 2 PACK Color: White Description: Eliminates residue in espresso machine group heads, valves, and lines. Tablet format allows for easy and controlled dosing into a super-automatic espresso machine’s delivery chamber or a traditional espresso machine’s group head. Formulated from biodegradable and phosphate free ingredients that are derived from natural sources.