Tier1 5 Micron 10 x 2.5 Water Filter | Whole House Carbon Block Filter Replacement Cartridge | Compatible with Pentek EP-10, 42-34373, 155531-43, CB-25-1005, MAXETW-975 | 2.5 x 10 Water Filter (6pk)

Q. What is this filter designed to reduce? A. This 5 micron whole house carbon block water filter is designed to reduce chlorine taste and odor while also capturing fine sediment such as rust, dirt, and silt before water reaches plumbing and fixtures. Q. How does carbon block filtration work? A. Carbon block media combines mechanical filtration with adsorption. The carbon structure traps sediment while also reducing chlorine through surface contact within the carbon matrix. Q. What does 5 micron filtration do best? A. A 5 micron rating provides balanced sediment reduction while maintaining steady household flow, making it a common choice for municipal water treatment. Q. Is this compatible with my system? A. This cartridge replaces models including Pentek EP-BB, EP5-BB, 155548-43, CG5-104, EV910805 and fits most 10 inch x 4.5 inch large-diameter whole house housings. Q. Where is it typically installed? A. It is commonly installed at the point-of-entry main water line in basements, garages, or utility rooms as a whole house treatment stage. Q. Is this suitable for well water? A. This filter is ideal for municipal water where chlorine reduction is desired. Well water systems may require sediment pre-filtration before carbon treatment depending on sediment levels. Q. Will this affect water pressure? A. When properly matched to system flow rates, 5 micron carbon block filtration supports stable household water pressure. Pressure changes usually indicate sediment buildup over time. Q. How do I know when to replace it? A. Replacement timing varies based on chlorine concentration and water usage. Many homeowners monitor taste, odor, or pressure changes to determine when replacement is needed.