3M Purification, SGB195-CLS, (5636603) 3M™ Water Filtration Products ScaleGARD™ Blend Series Hardness & Chloramines Reduction System, 0.5 gpm flow rate, 1,249 gallons @11 gpg, hard scale, chloramines, chlorine taste & odor reduction, (for coffee, espresso, vending & steamers)