Optimize your respiratory protection with the 3M™ Filter Retainer 501. This essential component is part of an approved 3M system, designed to securely hold 3M Particulate Filter 5N11 and 3M Particulate Filter 5P71/07194 (AAD), sold separately. The translucent white retainer is compatible with 3M Respirator 5000 Series, 3M Cartridges 6000 Series, and the 3M™ Filter Adapter 603. Measuring 4 inches high, 8.5 inches long, and 4.5 inches wide, the 3M™ Filter Retainer 501 ensures the proper fit and function of your filtration system. Refer to the Filter/Cartridge User Instructions for detailed information on installation and use. Ensure maximum safety and efficiency in your workplace with this reliable 3M component.