Low maintenance eyewash station that provides 15 minutes of flushing.Eyesaline cartridges last 24 months, at least 4 times longer than other self-contained eyewash stations solution, saving you money on refills and labor. Weekly or monthly flushing or changing of solution is not needed. SEI certified to meet ANSIZ358.1-1998 eyewash & shower standard. Pure Flow houses two Eyesaline cartridges. Each contain 3.8 gallons of solution to allow flushing for 15 minutes. The cartridges, hoses, and nozzles are one replaceable, integral unit. Built-in waste reservoir. Easy-to-read signs indicate when the unit needs to be serviced. Station & refills sold separately.