3M™ Filter Retainer 501, Respiratory Protection System Component
10 pair/box
Part Number: 3M501
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™ Filter Adapter 603.