PEMU-800-P02Z-50 Eaton SENTINEL Filter Bag F31B36537The Eaton SENTINEL bag was created to be a bypss free filter solution. It uses strong welded seams and a Santoprene chemically resistant seal to block bypass. The seal is unique in that it responds to changes in pressure. As pressure increases the seal actually improves! This bag, PEMU 800 P02Z 50, is size 02 with a micron rating of 800. It comes in boxes of 50 bags each. Box quantities are required when ordering any Eaton filter bags.