Urnex Cafiza2 Espresso Machine Cleaner Powder, 900GCafiza2 Espresso Machine Cleaning Powder has a concentrated formula which eliminates residue in group heads, valves, and lines. Both foam and solubility are balanced for powerful cleaning and optimal rinsing. Cafiza Espresso Machine Cleaning Powder is integral to the daily backflush regimen and is recommended for use with a wide range of traditional espresso machines. Instructions: Always follow manufacturer's cleaning and disassembly instructions.