Sediment Filter: The 10" Hydronix polypropylene sediment filter has a particle retention size of 5 micron and is used in a water filtration system. This coreless filter has an outside diameter (OD) of 2.5" and overall length of 9-7/8". It is made of polypropylene which can be sterilized, has dimensional stability, and is resistance to most chemicals. It is certified by the American National Standards Institute and National Sanitation Foundation (ANSI/NSF) Standard 42 for quality assurance. This sediment filter is suitable for use in applications such as ice machines, film processing, beverage, coffee, analytical, wineries, and many others.