Pentair Pentek WP.5BB97P Big Blue Sediment Water Filter, 10-Inch, Whole House Polypropylene String-Wound Filter Cartridge, 10" x 4.5", 0.5 MicronAbout this item KEEP YOUR WATER CLEAN and protect your appliances by removing dirt, sand, silt and particulates FITS ALL 10" Big Blue Housing and can replace any 10" x 4. 5" sediment filter ECONOMICAL SOLUTION to reduce fine sediment, including rust, sand and scale particulates HIGH DIRT CATCHING CAPACITY AND FLOW RATES due to its string wound construction SUITABLE FOR USE IN VARIOUS APPLICATIONS, including drinking water purification, irrigation and