BWT Best Protect XL CartridgeThe BWT bestprotect filtration solution, using BWTs advanced technology, provides excellent protection for the equipment used to produce hot drinks in the food service sector. It is specially designed to achieve an optimum pH value and an excellent water mineral balance both crucial factors in great tasting coffee and espresso. BWT bestprotect is extremely effective against limescale and gypsum residues. It also ensures a consistently high pH value,