N95 is probably better than nothing, but for these purposes it’s probably far from good enough
Most pepper sprays and such are oil based, and n-rated respirators are not oil resistant. For that you really want an R-, or even better P-rated mask for oily mists.
Disposable masks suitable for that do exist, but more often you’re going to find reusable cartridge-based ones which will have some additional ratings that probably aren’t relevant to specifically pepper spray but could maybe be relevant for other
White labeled cartridges are suitable for acid cases like chlorine
Black labeled are suitable for organic vapors like from paint thinners and other solvents
N95 is probably better than nothing, but for these purposes it’s probably far from good enough
Most pepper sprays and such are oil based, and n-rated respirators are not oil resistant. For that you really want an R-, or even better P-rated mask for oily mists.
Disposable masks suitable for that do exist, but more often you’re going to find reusable cartridge-based ones which will have some additional ratings that probably aren’t relevant to specifically pepper spray but could maybe be relevant for other
White labeled cartridges are suitable for acid cases like chlorine
Black labeled are suitable for organic vapors like from paint thinners and other solvents
Yellow are suitable for both
Green are rated for ammonia and methylamine