Features: 1. 4-pack 10-inch replacement ceramic water filters with activated carbon for enhanced water quality. 2. Activated carbon reduces chlorine, taste, and odor for cleaner drinking water. 3. Made from natural sintered diatomite, offering good resistance to high temperature and pressure. 4. 0.5 micron pore size removes suspended solids, hydrogen sulfide, and lead. 5. Compatible with most home, travel, countertop, and water cooler filtration systems, as well as DIY setups with household buckets or tank faucets. Product Details: Specifications: Includes 4 ceramic filters, 4 rubber washers, 4 wing nuts. Each filter is 10 inches in length. Note: Color may vary slightly due to lighting and screen settings. Allow slight dimension differences due to manual measurement.