Model 6425, disposable, polypropylene encased granular carbon water filter.
Haws model 6425 Activated Carbon granule filter removes chlorine taste and odor, and water born sediment. Polypropylene filter housing is 2" (5.1 cm) in diameter by 6" (15.2 cm) long, 3/8" NPTF inlet and outlet. Rated for .5 gpm (1.9 L) and has a 1000 gallon capacity. This filter protects the water flow for one bubbler, two filters are required for Hi-Low, dual-height or multi-bubbler drinking fountains.