1)Inner layer is made of soft Polypropylene (P.P.), which reduces the fiber drops and increases the wearing comfort.
2)The filter layer is made of high efficient melt blown web, which resists dust and oil-free particle.
3)Adjustable nosepiece provides a custom seal for different facial size.
4)Cool latex-free head strap for comfortable wearing.
5)Efficiently resist nuisance or organic acid vapors, suited to chemical agriculture, solution cleaning, spray, printing, electronic, food processing, auto body shop, ship building, ink and dyeing, sterilizing, etc. workshops.