The 3M 774 prefilter retainer is suitable for use with 3M 7700 series series Single-Cartridge Facepiece Reusable Respirator
Get tailored protection for your application with 3M™ Reusable Respirator Filter Retainers. Our filter adapter enables users to combine 3M™ Particulate Filters 5000 Series and 3M™ Gas and Vapour Filters, and is designed for use with 3M™ Resuable Respirator Filters. Filter adapters can be easily inserted and removed, allowing workers to adjust their filter combinations depending on the hazards encountered in the workplace.