Product Specifications Quantity: 1 Activated Carbon Block Filter, 1 Inline Filter Cartridge Removes undesirable and possibly harmful waterborne contaminants, particles, chemicals and microorganism. NSF certified universal 10-inch Activated Carbon Block Filter & Inline Filter Cartridge. Improves taste and clarity while retaining beneficial nutrients by reducing chlorine, fine sediment, odor, silt, rust. High efficiency and high dirt holding capacity for longer filtration and fewer replacements. Reduce water bottle waste and save money while also helping the environment by using water filters. For the highest quality water and best contaminant reduction replace the filter every 6 months. This Product also works in or replaces the following OEM model numbers: Crystal Quest CQE-RO-00105 Crystal Quest CQE-RO-00106 Crystal Quest CQE-RO-00103 Crystal Quest CQE-RO-00107 Crystal Quest CQE-RO-00111 Crystal Quest CQE-RO-00104 Crystal Quest CQE-RO-00108 Crystal Quest CQE-RO-00112 Crystal Quest CQE-RO-00116 PJD PJD 5000 Rainsoft 9590-T Package Contents Part Number: Quantity WF-RO-CB10 1 WF-RO-IF10 1