The 3M™ Retainer 501, is designed for use with any 3M™ Organic Vapour Cartridges, 07046 and the 3M™ Organic Vapour/Acid Gas Catridges, 07047 to attach the 3M™ Organic Vapour/High Efficiency Cartridge 07196 P95 filters where there is a need for particulate protection such as in a paint spray application.
 
This product is reusable and should be replaced when it becomes worn or damaged. The 3M™ Filter Retainer 501 is to be used with compatible products. Replacement part can extend respiratory equipment service life.