The Vertex PureWaterCoolerTM PWC-3500 deluxe 3-temperature, hot, room and cold bottleless water cooler has a large 4-gal water storage capacity for offices or factories of up to 60 people. New features include a taller spigot height for easier access and larger dispensing area for today’s most popular sports bottles. Also new is the flat top, convenient for placing coffee brewers or storing cups and utensils. Choose from 2 filter options: a high flow 75 gpd reverse osmosis system or standard carbon system. The filter cartridges are front panel accessible for easy replacement. Options include a UV stage and a leak detector with shut-off valve.