The 3M FCF9 (HC351-S) Replacement Filter Cartridge is designed specifically for the FF9 filter system, offering reliable performance and high-quality filtration for your ice machine. With a capacity of 3,500 gallons and a 1.0 gpm micron rating, this NSF-certified cartridge ensures clean, fresh-tasting water while helping to protect your equipment from scale and sediment buildup. Weighing just 4 lbs, it's easy to install and built to last. Priced at $75.00 with a shipping fee of $9.00 (automatically waived when purchased with any ice machine or filter kit), it’s a smart choice for maintaining optimal water quality. Compatible recommended filters include the 3M Medium Capacity Ice Machine Filter (Model: FF18), Small Capacity Ice Machine Filter (Model: FF9), Medium Capacity Filter with Gauge (Model: FF18G), and High Capacity Filter with Gauge (Model: FF20G), all offering different levels of performance and price points to suit your needs. Buy now!