Sub-Zero 7023812 Refrigerator Water Filter Replacement Cartridge;

A genuine OE part from the manufacturer, the Sub-Zero 7023812 refrigerator water filter is designed by the manufacturer for use in harsh or low quality water conditions. For up to 12 months after installation, this carbon block filter will help to ensure you serve only the cleanest tasting water and ice possible, regardless of the water conditions in your community. Fits models prior to serial #4116297 only.