For a time-tested, reliable, and affordable filter bag to suit your needs try the Eaton SNAP-RING. PO-10-P01O-H-50 is a Polypropylene bag with Polypro ring. It is size 01, 10 micron. To seal the bag to the housing, this SNAP-RING filter includes a sewn-in Polypropylene ring at the top. Made using the best available materials, this bag is manufactured under strict ISO 9001 standards. Get a bag that is tailored to your application with 14 different micron rating, felt materials, and ring types. Box quantities required. Comes 50 bags per box.