ydronix SDC-25-1010 Sediment Filter2.5 x 9 7/810 micron hydronix series 2.5 diameter SDC cartridge is an economical solution to pre-filtration for many applications.sdc cartridges are widely used as pre-filtration for r o systems and post-filtration for GAC filters.They are also used in application such as ice machines, film processing,beverage,coffe,analytical,wineries,and many others.Related