The EVERPURE OW4-PLUS Replacement Cartridge is engineered to deliver premium quality water for a variety of applications. Featuring EVERPURE's unique filter blend using activated carbon, it effectively reduces chlorine taste, odor, and other offensive contaminants, ensuring a refreshing taste experience. The sanitary cartridge replacement process is simple, quick, and clean, with internal filter parts protected from handling or contamination, guaranteeing consistent water quality. Additionally, the exclusive precoat filtration technology provides superior chlorine taste and odor reduction, along with mechanical filtration of dirt and particles as small as 0.5 microns in size, ensuring pristine water quality. It also provides bacteriostatic control and reduces microbial growth**, offering added protection. With KDF® media, it inhibits limescale buildup** in water-using appliances, prolonging equipment lifespan. Certified under NSF/ANSI Standard 53, it meets rigorous standards for reducing cysts such as Cryptosporidium and Giardia by mechanical means, providing added peace of mind. It also reduces lead* to below the Federal Action Level of 15 ppb, with the lead claim valid only when used with the fitting with flow control at 0.5 gpm (p/n EV3081-32).  (**As tested by KDF)