Ensure your water filtration system continues producing cleaner water efficiently with the Vitapur 20-inch 5 micron carbon block filter, designed to reduce chlorine taste and odor, for better tasting water. Designed primarily for use in Vitapur Whole Home UV Water Disinfection and Filtration Rack Systems, this filter can also be used in any filtration system that has 4.25" x 20" standard-sized filter housings. To keep your system operating at peak levels, replace this filter every 6 months.Note: This product may require up to 2 additional days for order processing prior to shipping