Elkay EWF172 Universal Filtration Kit (1500-Gallon)Elkay EWF172 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 cooler or fountain into a filtered unit Filter should be replaced every 1,500 gallons or 1 year after