In-line Water Filter Cartridge, designed for use with Ice-O-Matic ice makers, single water filter, with special scale inhibitor, 1/4" compression, for max. cube capacity 450 lb/day. Features: Highcapacity activated carbon filtration makes ice free of taste or odor, and protects equipment against corrosive chlorine. Patented IsoNet scale inhibiting technology helps protect equipment against scale (lime-scale) and corrosion. Gradient-density sediment filtration reduces dirt and other suspended particulates as small as 1/2 micron. Improves ice maker operating efficiency. Reduces maintenance and extends equipment life. 1/4 turn Quick-Twist cartridge makes changing filters quick and easy.