Product details:

Eyesaline Refill For Model 829003 - 32-000513-0000-H5 Isotonic Eyesaline concentrate which kills bacteria and increases life of solution. Constructed of rugged high impact polyethylene. Refill for 16 gallon unit, Model 829003. Expiration: 30 month shelf life when unopened / 6 months once opened, from date of manufacture.