Elkay EWF3000 Universal Filtration Kit (3000-Gallon)Elkay EWF3000 Provide filtered water where needed. Elkay universal filtration kits are an ideal solution for adding a filtration system to any non filtered water cooler, fountain or bottle filling station. Universal filtration kits can be used on any brand. Features Universal filtration kit works with Elkay and non Elkay units to turn any non filtered bottle filling station into a filtered unit Filter should be replaced every 3,000 gallons or 1 year