Here is a disposable N95 respirator mask (3M 8210 model) that is the classic disposable N95 particulate respirator. It is designed to help provide comfortable, reliable worker respiratory protection against certain non-oil based particles. The 8210 disposable N95 mask is also recognized for COVID precautionary measures. This N95 respirator mask has no exhale valve but contains a metal adjustment nose clip around the nose area for a standard fit. There are 20 masks per box.