Don�t take chances with your eyes! Keep 1000ml (32 oz) of sterile eye wash solution handy for effective relief from eye irritants. In case of emergency, twist and snap off the sealed bottle top, tilt the head back, hold the eyelid open and pour the solution into the eye. The sterile irrigating solution is helpful in rinsing away chemical contaminants and other harmful irritants and is similar in pH value to that of human tears. FDA Registered- NDC number and expiration (3 years from date of manufacture) printed on every bottle. Each individually packaged bottle is designed for one time use to ensure sterility. Keep them on hand as instant refills for your wall-mounted eye wash stations.