Compatible Replacement: This 5 Micron reverse osmosis sediment water filter is a replacement for Culligan SC1215105, RS-23-SED5, AC30, AC15 328625, 401538, 441275, 448544, 449627, 1401538, 000001-20, 00-0001-20, 004015-38, 00-4015-38, 004412-75, 00-4412-75, 014015-38, 01-4015-38, 255824-43, 4015-38, 4412-75, 4485-44, 4496-27, HDG-SED-AC5, HDG-SED-ACS, RS-23-SED5, RS-23-SED-5, S7011C, S7011-C, and fits Culligan, Aqua Cleer and H Series reverse osmosis systems. High Quality Filtration: The high capacity melt blown polypropylene sediment filter is able to achieve filtration down to 5 microns improving water quality, and reducing sand, dirt, sediment, silt, rust and corrosion. 6 Month Filter Life: Depending on the quality of your water, replacing your home water filter cartridge every 6 months is recommended for the average household to ensure optimal performance. Durable Materials and Design: Tier1 products undergo strict quality assurance testing and are manufactured using the highest quality materials. Quick & Easy Installation: Simple and easy fit into your reverse osmosis water filter system.