Respirators & Accessories

Respirator Ratings

Letter

Number

N - Not oil resistant

95 - Removes 95% of all particles that are at least 0.3 microns in diameter

R - Resistant to oil

99 - Removes 99% of particles that are at least 0.3 microns in diameter

P - Oil Proof

100 - Removes 99.97% of all particles that are 0.3 microns in diameter or larger. HE or HEPA quality filter.