- RPB PAPR (powered air-purifying respirator) particulate filters and vapor cartridges install on PAPR (powered air-purifying respirator) systems to filter contaminants from ambient air
- They are rated based on the type of contaminant and the percentage of contaminants removed before filtered air reaches the worker
- Filters remove dry particulates such as dust
- Cartridges remove vapors and gases such as paint thinner and welding vapors