Guardian Gravity-fed Portable Eyewash Station G1540 Dedicated G1540BA-R Water Treatment Additive Plastic Bacteriostatic Additive 4 bottles per case - Contents: 8 Fl. Oz. (236 mL) - Expiration Date: May 16, 2026 US ANSI Standard Compliant, Brand New, Unused Selling at a bargain price due to inventory clearance. Currently 3 cases in stock (1 case has been unpacked for photography). Discounts available for bulk purchases. Please inquire in the comment section. Receipts can be included upon request.