Choose from single or double stations with 1000mL (32 oz.) bottles of sterile, isotonic, buffered eye wash solution, ready for immediate use Safety-green eye wash stations can be wall-mounted for quick access when an emergency occurs Include quick instruction diagrams, multi-language instructions, a polished metal mirror and four holes for mounting with screws (hardware not included) Bottles have twist-off caps and a three year shelf life from date of manufacture Sterile irrigation solution is helpful in rinsing away chemical contaminants and other harmful irratants and is similar in pH value to that of human tears