3M Disposable Respirators FFP3 Valved Premium Series Features and Benefits Soft Inner Face Seal Ring Robust Shell and Cup Design 3M High Performance Filter Material Colour Coded Valve Lettering 3M Cool Flow Valve Adjustable Braided Headbands Typical Application Construction, Ship Bldg, Pharmaceuticals, welding and soldering, Chemical Processing, Iron and Steel Foundries, Battery Manufacturing