It is suitable for filtering salty medium and oily medium, and the comprehensive filtering effiLifesaving ciency is above 95%. N95 Chitin Haze Protective Mask is composed of surface layer filtering layer inner layer, nasal splint, and mask bandage.The Machinery for Packaging SElectronic Tube & Transistor upplies surface layer and the inner layer are made of non-stick non-woven fabric. The filtering layer is made of melt-blown non-woven fabrOther Safety Products ic.The nasal splint is made of bendable plastic.The mask bandage is maEmergency Light & Indicator Light de of elastic material such as non-woven fabric or rubber.