3M Filter Retainer 501 , Respiratory Protection System Component 100 EA/case
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.
UPC Number 50051138176681
MFG Number 7100211073