General description Premium Filtration - Certified to reduce chlorine-resistant cysts, lead, certain pharmaceuticals, and 50 other impurities. This water filter effectively reduces lead, which is invisible, tasteless, and odorless when present in water. It also reduces certain pharmaceuticals including ibuprofen, progesterone, atenolol, trimethoprim, and fluoxetine. Additionally, it reduces 99% of perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS). It is recommended to replace the filter every 6 months, or more often if water flow slows noticeably. Technical specifications Compatible with GE XWFE Water Filters Reduces chlorine-resistant cysts, lead, certain pharmaceuticals, and 50 other impurities Reduces 99% of PFOA and PFOS Other information