3M Filters → 3M Micro-Klean Filters → 3M Micro-Klean CS Series Filter Cartridge CS29FNPN 29 in 25 micron Unbleached Cotton Media Polypropylene Core Double Open End 15 per case.
3M Micro-Klean CS Series Filter Cartridge CS29FNPN 29 in 25 micron Unbleached Cotton Media Polypropylene Core Double Open End 15 per case.