<p>Concentrated solution is perfect for flushing or irrigating the eyes to remove foreign materials, air pollutants or chlorinated water. Concentrate should be mixed with clean water at a 10-to-1 ratio to create a preserved, buffered and physiologically correct saline solution. Long shelf life can be stored for up to 30 months when unopened and 6 months once opened. Saline concentrate is designed for use with the Fend-All Porta Stream I, II or other 14 to 16 gallon stations.</p>