This patented portable eyewash station delivers safety, protection, reliability, and value! No special plumbing is needed … the sanitary, self-contained saline cartridge delivers a gentle, constant flow upon emergency activation. It's unique design is a maintenance dream! Warning signs show if the saline needs refill cartridges or if the expiration date (24 month shelf life) has expired. No more regularly scheduled plumbing tests, etc. Captures it's own waste, reducing spill hazards and clean-up. Shipped with "Emergency Eyewash" sign. Must order saline cartridges separately. SEI certifed to meet ANSI Z358.1-2004 requirements.