3M Respirator Filter Retainer 501 for 5N11 or 5P71 Filters
Price 26.00 - 49.60 USD
Used to hold 3M Particulate Filters 5N11 and 5P71/07194(AAD) in place on top of 3M Respirators 5000 Series and 3M Cartridges 6000 Series and 3M_x001A_ Filter Adapter 603.