F5873389 - Eaton HAYFLOW Filter Bag (8 per Box)If you want the compact convenience of a filter cartridge with the lower price of a filter bag, then you want Eaton's HAYFLOW filter. Its Polypropylene Extended Life felt and Polypropylene SENTINEL seal ring last five times longer than a standard filter bag and provide exceptionally efficient filtering. The cartridge design also allows for easy changeouts. This product is size 2 and has a Micron Rating of 100. Sold in box quantities of 8.