Plum pH Neutral Eye Wash Solution DuoProduct overview Neutralizes to a normal level of 7. 4 Phosphate buffer (4. 9 %) Ergonomic eye cup ensures effective fluid flow Conform to DIN EN 15154 4 and are CE certified Shelf life: 3 years Plum pH Neutral Eye Wash Solution The Plum pH Neutral eye rinsing solution is used to neutralize acids and alkaline substances in the eye to a normal level of 7. 4. The rinsing bottle of the phosphate buffer is easy to open and ensures an effective flow of