This 16-gallon unit can be filled with potable water and a Bacteriostatic Additive (included) for safe and effective eye washing in areas where plumbed water is not available. Unit discharges the solution at .7 gpm for 15 minutes. Full flow nozzles are activated by pulling down on the eye wash outlet tray. Flow is stopped by swinging the tray back up into the storage position. Unit can be wall or countertop mounted.