Fendall Pure Flow 1000 Emergency Eye Wash Station Trilingual Refill Cartridges (2 Cartridges, 3.5 gallon / 13.2 L each) SALINE EYE WASH VS. TAP WATER: Buffered, pH-balanced saline eye wash is superior to tap water which may contain harmful bacteria and contaminants 2 REFILL CARTRIDGES: Package contains two 3.5 gallon (13.2 L) eye wash solution refill cartridges for a total of 7 gallons (26.4 L) LONG-LASTING: Unopened cartridges have up to 24 month shelf life from the date of manufacture EASY MAINTENANCE: Changing the cartridge on your Fendall Pure Flow 1000 Eye Wash Station takes less than 5 minutes TRILINGUAL INSTRUCTIONS: Cartridge instructions are in English, Spanish and French