The Ice-O-Matic Replacement Water Filter Cartridge (IOMQ) assists with keeping your water system clean, efficient, and free from contaminants. It is a high-capacity carbon filtration system that is compatible with all IFQ1 and IFQ2 filter systems. Depending on the water in your area, water filters may need to be changed as frequently as every 3-6 months. Water filters also help extend the life of your equipment by reducing scale and other build up within the inner workings of the machine. With the Ice-O-Matic - IOMQ - Replacement Water Filter Cartridge unwanted odors and tastes are removed from your ice and equipment is protected from corrosive chlorine. It can extend the life of your ice machine by reducing the expense of regular service calls.