Brita® Hydration Stations® feature advanced filtration options to deliver great-tasting, filtered water using an NSF certified filtration system that reduces chlorine (taste / odor), lead, and removes 99.99% of cysts. Model 6440 is a 1,500 gallon capacity 1 micron coconut carbon block filter. Filter kit 6440 includes the filter, filter head and mounting clip for model 2520 system.