Reduces particulate, chlorine taste and odor, parasitic protozoan cysts, asbestos, benzene, lead, mercury, atrazine, lindane, p-Dichlorobenzen, carbofuran and 2, 4-D reduction. Advanced dual stage carbon-block filtration process provides cleaner, clearer better tasting drinking water. Sanitary Quick Change (SQC) cartridge design makes cartridge change-out fast and easy.