3M™ Aura™ PARTICULATE RESPIRATOR-FFP3 FEATURES : Low Breathing Resistance Filter Technology, Ingenious 3-Panel Design That Accommodates Greater Facial Movement, Embossed Top Panel, Innovative Chin Tab For Ease Of Donning And Adjustment, With 3M™ Cool Flow™ Exhalation Valve, Sculpted Nose Panel, Individual Packaging, Flat Fold Design, Protects Against Dusts and Mists.