3M™ Filter Retainer 501, 100 EA/Case The 3M 501 Filter Retainer will allow for a 3M 5000 Series Particulate Filter to be combined with a 3M 6000 Series Gas and Vapor Filter.  This combination will offer comprehensive protection against airborne particles, gases and vapors. This 3M respirator filter retainer 501 is suitable for use with both half and full face masks and is super easy to snap into position over the filter. Features of 3M 501 Filter Retainer  Approved 3M system component Designed to hold 3M Particulate Filter 5N11 and 5P71/07194 (AAD) (sold separately) Component works with 3M Respirator 5000 Series, 3M Cartridges 6000 Series and 3M Filter Adapter 603 Color: Translucent white Measures 4” high x 8.5” long x 4.5” wide 3M™ 501 Retainer Specifications Accessories Yes Brands 3M™ Case Quantity 20/pack Compatible Respirator 5000 Series, 6000 Series, 6500 Series, 6500QL Series, 7000 Series, 7500 Series, 7800S Series, FF-400 Series Maintenance Free Yes Material Polypropylene Product Color Translucent White Product Type Filter Retainer Recommended Application Assembly & Mechanical, Cleaning, Composite Finishing, Final Finish, Paint Preparation, Painting, Welding Recommended Industry Construction, General Manufacturing, Heavy Industrial, Manufacturing, Marine, Mining, Oil & Gas, Pharmaceutical, Transportation Spare Parts Yes eClass 14 Classification Group 40220191 Additional Information Part Number501Usually ships in2-3 DaysManufacturer3M