The Genuine OEM 3M ScaleGard Blend Series Replacement Filter Cartridge B165-CLS is a high-quality water filter designed specifically for coffee, espresso, and tea brewers. With a capacity of 750 gallons, this scaling filter cartridge from 3M Water Filtration Products ensures clean and great-tasting water for your beverage equipment. The B165-CLS model is a reliable choice for maintaining the performance and longevity of your commercial water filtration system.