Dust Mask Respirators
Dust Mask Respirators come in many configurations and ratings. The primary ratings are N, P and R. Following the letter rating is a number, generally 95,99 or 100 which relates to how much the filter has been measured to remove of particulate matter of 0.3 microns in diameter or greater. You can learn more about Dust Mask Ratings by clicking the prior link. Breathing Masks and respiratory protection can also be had by using PAPR systems that make breathing easier, and much more comfortable.
Regular Price: $54.46
Special Price: $44.29
The first digit is a letter that corresponds to its resistance to oil.The second and third digits are numbers that denote the percentage of particulates the respirator can filter out. For example, a P95 respirator is an oil proof respirator that filters out 95% of particles.
Respirator Rating Letter Class
- N - Not oil resistant
- R - Resistant to oil
- P - Oil Proof
Respirator Rating Number Class
- 95 - Removes 95% of all particles that are at least 0.3 microns in diameter
- 99 - Removes 99% of particles that are at least 0.3 microns in diameter
- 100 - Removes 99.97% of all particles that are 0.3microns in diameter or larger
Choose a breathing mask can be a bit confusing. But some things to consider is the rating as described above, and also the ease and comfort of wearing the mask. If the mask is not comfortable, you will not want to wear it when it is needed.