Additional Details ------------------------------ Product description: 2 Pack - Hydronix SDC-45-2005 polypropylene sediment filters have a particle retention size of 5 micron and is used in a residential and comercial water filtration system applications. The coreless filter design has an outside diameter (OD) of 4.5" and overall length of 20". Made of 100% pure polypropylene, the cartridge has structural stability, and is resistance to most chemicals. Certified by the ANSI/NSF (American National Standards Institute and National Sanitation Foundation) Standard 42 for material and structural safety. This sediment filter is suitable for use in filtration systems such as ice machines, film processing, beverage, coffee, analytical, wineries, and many others. Hydronix Water Technology is a supplier of water filtration, purification and separation products. The company is headquartered in Ontario, California, U.S.A. Size: 4.5" x 20"