1. Material: Stainless Steel 2. Watering: Water to 55L scale line, close injection valve 3. Aerating: Connect aerating port, aerate to pressure showing 0.6Mpa. 4. Should check regularly, check whether have leakage and keep on 0.5~0.6Mpa; Check eye wash equipment whether is smooth 5. Watering should be suitable, best to 55 L.