Sundstrom SR510 P3 Filter with 5 X SR221 Pre Filters for Sundstrom Respirators
Sundstrom SR510 P3 Filter with 5 X SR221 Pre Filters. Sundstrom SR510 P3 Filter. The filter provides protection against all types of particulate pollutants. R (Re-useable): The filter is intended to be used for more than a single shift.