Dual nozzles flush both eyes simultaneously and immediately, hands free. Remove the pull strap to start the flow of Eyesaline(®)flushing solution. When the Eyesaline(®)solution cartridge is inserted in the base unit, the cartridge seal is broken and the Flash Flood is ready to deliver eyewash solution for 3 minutes. Cartridge replacement is quick and easy. Wall mounted. Replace cartridge after emptied or once every 6 months. ANSI Z358.1 standard. Classified personal. Optional Flash Flood wire storage rack holds 4, one-gallon Flash Flood cartridges.