PLUM DUO Covered Eye Wash Station; 2 Bottles, 500ml Sterile pH Neutralizing, 1000ml Sterile Saline (F24880-8503) Wall-mountable, covered eyewash station has pictograms and a polished metal mirror to ensure correct operation pH neutralizing solution neutralizes acids and alkalis in less than 20 seconds, and sterile saline for rinsing eyes after injury from acid, alkali, or particulates Sterile saline mimics human tears to remove dust and particulates, or to rinse after using the pH neutralizing solution Rinse time of approximately five minutes for the 1000mL bottle, and two minutes for the 500mL bottle