SUPERIOR FILTRATION: This whole house water filter reduces particles larger than 5 microns in diameter at a flow rate of 4GPM to reduce sediment, rust, scale, dirt, silt, & even extra fine sand, while ridding of chlorine taste & odor. LONG LASTING: Replace your easy install water filter every 3 months/15,000 gallons to improve water taste. Water that is high in sediment will need to be replaced more often. COMPATIBILITY: This water filter cartridge is compatible with HF-150A, HF-160, HF-360A, and HF-365 whole house filtration systems. CERTIFIED MATERIALS: The HF-150A is tested and certified by WQA against NSF/ANSI Standard 42 for materials safety and structural integrity only, ensuring your water is safe for drinking, cooking, or any other use in your home. CONFIDENCE: For over 85 years, knows every drop of water flowing through your home is important. Should you have any questions regarding the use of your product, you’ll enjoy knowledgeable & responsive customer support.