Replacement particle filter for the 3M Speedglas Adflo powered air purifying respirator system. 
 
Filters out harmful particulates when installed correctly in the Speedglas Adflo PAPR system
Replace when particle filter indicator becomes red or when battery operating time becomes too short
Must always be used in conjunction with a pre-filter (part number 836010)
For use with the Adflo system and 3M Speedglas welding helmet or 3M Versaflo M-Series face shield
Do not attempt to clean or modify the particle filter as this will cause damage and limit its effectiveness