Optimize the lifespan of your main filters with the 3M 5911 P1R prefilters. Designed to capture fine particles and water- or oil-based aerosols, these prefilters extend the efficiency of your respiratory protection equipment.

How to use: They are not a standalone mask. They are designed to be placed on top of 3M gas and vapor filters/cartridges using a 3M 501 retainer.

Compatibility: Compatible with 3M reusable half masks (6000, 6500, and 7500 series) and 3M 6000 Full Face masks using the 3M bayonet attachment system.

P1R Classification: Offers protection against low-toxicity particles and is reusable (R rated), reducing long-term costs.

Applications: Ideal for dusty environments, manual sanding, or working with non-toxic aerosols.