The Filter Kit Replacement EWF172 for Coolers and Fountains is a high-quality water filter made of carbon fiber, designed for use in Elkay's Watersentry model. This pack includes 1 filter with a size of 1 Count, suitable for enhancing bottle filling stations with a capacity of 6000 gallons. Hand wash care instructions ensure easy maintenance, and the filter is made in the United States, providing clean and safe water for your cooler or fountain.