8210 – NIOSH approved for at least 95 percent filtration efficiency against certain non-oil based particles – Two-strap design with welded dual point attachment helps provide a secure seal – Cushioning nose foam – Adjustable noseclip helps provide a custom fit and secure seal – 20 pieces per box Email https://alphadeltaenterprises.com/product/3m-n95-particulate-respirator-8210-n95-160-ea-case/