NMO-250-P04S-50 Eaton SNAP-RING Filter Bag F3AB00753This SNAP RING filter bag is made by Eaton and constructed using nylon felt with a stainless steel ring. This is a sewn filter that uses heavy duty stitching for a durable bag. Every one of these SNAP RING bags is manufacturered the same way under ISO 9001 quality standards. That means your filtration results will remain constant year after year. Filter NMO 250 P04S 50 is size 04, 250 micron rated. Part number F3AB00753 comes in box quantities of 50.