Level 3 Advanced Filtration of Sediment, 10 micron. Use inside Nos.HF-360, HF-160, or HF-150 filter housings to extend life of major appliances or provide clean, fresh drinking water by reducing fine and medium sand/dirt/silt, coarse sand, scale and rustparticles (10 nominal micron rating). Will also fit Omni, Sears, Fulflo, Teledyne Water Pik, Ace, Flotec, Honeywell, General Electric, American Plumber, and most standard size water filters. Durable, wound polypropylene construction for well-water applications. 3-month/12,000-gallon life depending on usage and water conditions. NSF International tested and certified.