Pentek P5 155014-43 Sediment Water Filters (9-3/4" x 2-3/8")-- (Package Of 6) 6-Pack of Pentek 155014-43, P5 9-3/4" x 2-3/8" 5 Micron Sediment Melt Blown Filters Cartridges Spun Polypropylene 5 Micron Nominal filtration rating Materials tested and certified by NSF International to NSF/ANSI Standard 43