Water Filtration System for Commercial Ice Machines – 4 GPM, 0.5 Micron, Scale Inhibitor, 2,000 lbs Daily Output, NSFThis high capacity 4 GPM (2) unit water filtration system is built for ice machines with demanding daily outputs of up to 2,000 lbs. Featuring 0. 5 micron sediment filtration and scale inhibition, it protects ice making equipment from clogs and scale buildup. The full port shut off valve and Fast Fit cartridges allow for easy service, while the pressure gauge provides at a glance system monitoring. Its an ideal solution for large commercial kitchens