... 3.free of maintance 4.singele 160g moulded respirator protection,respirator mask,half facepiece1.Description:Product Name:Moulded ... Very Convenient And Practical8.Applicable For Hospital,Common Sanitary Protection,Mainly Used In Places With Little Dust9.Conforms ... ,Shipbuilding,Metallurgy,Coal,Environmental Sanitation,Paint Industries,Automobile Manufacturing,etc moulded 160g respirator protection