Elipse twin filter ready to wear half mask Latex and silicone free, lightweight TPE face piece that is comfortable to wear for long periods of time Low profile filters provide unobstructed field of vision Compatible with other PPE safety products including visors and welding helmets Approved to European Standard ??/?? 019/2011, EN140: 1998. With P3 APF: 20. With Gas or Gas+P3: 10.