3M Purification, HF165-CL, (5626003) 3M™ Water Filtration Products Chloramine Reduction System, 5.0 micron, 2.1 gpm, 7,000 gallons capacity, reduces sediment, chloramines, chlorine taste & odor, meets Coca-Cola Freestyle dispenser performance requirements, 1/2" FNPT connections, NSF certified (for cold beverage applications)