CFS COMPLETE FILTRATION SERVICES EST.2006 Replacement 20-Inch, Sediment Pre-Filters for Whole House Water Filter Systems, 12-Pack

Replacement 20-Inch, Sediment Pre-filters for Whole House Water Filter Systems, 12-pack The sediment pre-filter is designed to prevent dirt and particles from entering the system and clogging the main filter unit. Designed for easy filter replacement, no plumber required. Filter should be replaced every 1-3 months depending on TDS levels (total dissolved solids) and water quality - replace when you notice that the color of the filter darkens or water flow slows down.