FEN32-001050-0000 / 32-001050-0000 CARTRIDGE EYESALINE REPLACEMENT for Pure Flow 1000® Emergency Eyewash Station The two required Pure Flow Eyesaline® Solution Cartridges are sold together as a set, and are sold separately from the station. Each cartridge contains 3 ½ gallons of solution, and has an expiration date as well as lot number imprinted on it. Each cartridge includes nozzle assembly and delivery hose.