Recommended for sanding and preparation before painting. Advanced filter material allows easier breathing in the Zenith Respirator. NIOSH approved: N95. Zenith N95 is used for non-harmful dusts from sanding, grinding, sawing and insulating particles. The advanced filter makes for easier breathing while the M-noseclip allows for fewer pressure points and greater comfort. Easy to use and disposable, the Zenith Respirator is a great choice in respiratory protection for both the professional and the DIYer.