Watts 501110 Commercial Filtration System for Ice Machines and Steamers up to 600 Pounds Reduces lime scale build-up in ice machines, better tasting ice and drinks 3-stage filter utilizes 10-inch, 20-micron sediment filters, 10-inch, 6-micron carbon block, and 10-inch, 16 oz poly phosphate 2.0 GPM flow rate Easy to install, simple filter replacement, in/out valves allow for easy filter service Gauges and flush kit included, reduces maintenance/lower maintenance costs