Look no further for a filter bag that will last, because this Eaton DURAGAF filter bag is made of needled Polypropylene felt that has a lifespan 2-5 times longer than that of standard felt. With materials that comply with FDA food contact standards, this product will handle beverage filtration with ease. This product also features a Polypropylene SENTINEL seal ring that is tough enough for industrial water treatment. This product is size 1 and has a Micron Rating of 10. Sold in box quantities of 30.