Emergency Solution: A sterile buffered isotonic saline solution quickly flushes contaminants from the eyes, giving you immediate relief; It is the ideal first response, when a continuous water supply is not available and medical aid is on the way. Portable: Given the ability to be wall mounted or placed on flat surfaces, these can be placed on your worksite near possible hazards; Single 16oz bottle stations are portable, handy & come with a hi-vis green backboard with directions for proper use..Rapid-Clear Portable Eyewash Station, Double Bottle Type, 32 oz.