Search Results for: Filters of any material
types of respirators, as described below. how do respirators work?
filters/cartridges as other air-purifying respirators. it is important to know what the hazard is, and how much of it is in the air, in order to select the proper filters/cartridges. self-contained breathing apparatus (scba) is the respirator commonly used by firefighters. these use their own air tank...
https://www.osha.gov/dts/shib/respiratory_protection_bulletin_2011.html