OPO1281 Features: * Use directly from the container to fill your eye wash station * Mix with clean, portable water * Preserved, buffered, saline solution * Formulated to inhibit the growth of harmful bacteria in self-contained eyewash stations * Easy-to-mix liquid * Will preserve 14 to 16 gallons of water in a unit such as Porta Stream II * Proper concentration level is 1/2 oz. of preservative for every gallon of eyewash Includes: * Included preservative inhibits bacterial growth