Used on top of 3M gas and vapor cartridges with 3M™ 774 Pre-filter Retainer when particles are also present
Particulate filter for single filter masks
Made of polypropylene
Used with 3M™ 3200 and 3100 Single-Cartridge Facepiece Reusable Respirator
3M™ Particulate Pre-filter can be combined with 3M™ 3301K Organic Vapor cartridge for use with 3M™ 3200 and 3100 Single-Cartridge Facepiece Reusable Respirator
In addition to 3M™ 1200, 3000 and 7700 Series pre-filters