5N11 | 3M N95 Particulate Prefilters | Sold by Box of 5 Pairs

The 3M 5N11 N95 Particulate Prefilters provide NIOSH-approved N95 particulate protection when used as part of a complete 3M reusable respirator system. These prefilters are designed to capture non-oil based particulates such as dust, sanding debris, and nuisance particles, while also helping extend the service life of compatible 3M gas and vapor cartridges.

The 5N11 prefilters are installed over compatible 3M bayonet-style cartridges using the appropriate 3M filter retainer, adding an extra layer of particulate filtration for painting, sanding, grinding, and general industrial maintenance applications. These prefilters are sold by the box, with each box containing 5 pairs (10 individual prefilters).

Key Features

• NIOSH-approved N95 particulate prefilters
• Filters at least 95 percent of non-oil based airborne particles
• Designed for use with compatible 3M gas and vapor cartridges
• Helps extend cartridge service life by trapping particulates
• Requires appropriate 3M filter retainer for proper installation
• Sold by the box of 5 pairs (10 total prefilters)
• Suitable for sanding, grinding, painting prep, and dusty environments

In-Stock and Ready to Ship