Elkay LZWSRK EZH2O RetroFit Bottle Filling Station Kit, Filtered Non-Refrigerated Touchless, sensor activation (bottle filler) designed for easy use; retrofits existing EZ 115V style coolers. Fill rate is 1.5 GPM. Visual filter monitor with LED filter status indicator for when filter change is necessary. The 3,000-gallon filter is certified to NSF 42 and 53 for lead, Class 1 particulate, chlorine, taste and odor reduction. Green Ticker informs user of number of 20 oz. plastic water bottles saved from waste. Laminar flow provides clean fill with minimal splash. Silver ion antimicrobial protection on key plastic components to inhibit the growth of mold and mildew. Real drain system eliminates standing water. Flexi-Guard bubbler provides a flexible antimicrobial mouth guard to protect against injury and microorganisms. Rated for indoor use.