ISpring WDS80K Anti-Scale 10″ x 4.5″ Whole House Water Filter with Patented Scale Inhibitor. Protect your household appliances and plumbings from scale. The patented scale Inhibitor effectively sequester calcium and magnesium, preventing your pipes from scale and clearing partially clogged piping. Prevent your pipes from corrosion and bio-growth. Our premium filter media inhibit corrosion, particularly iron, steel, galvanized, copper and lead, by coating the surface of your pipes. It serves as a protective layer that makes it harder for bio-film to form. The coating also helps to stabilize chlorine as the chlorine will not react with the metal pipe if the coating exists. Top-Notch Quality : The filter is made of patented scale prohibitor and is capable of filtering up to 80, 000 gallons of water, or lasting for 6 months (depending on inline water quality). The filter is tested by an independent third-party to meet NSF 42/60 standards. Easy Filter Replacement and Minimum Maintenance Required : For filter replacement, just twist off the housing and replace the filter. With 1″ NPT inlet/outlet and 10″ x 4. 5 filter cartridges, the system has a minimum impact on water flow (up to 15 GPM) and requires minimum maintenance. Our knowledgeable team is available to help you find a filtration solution that best solves your specific water concerns or to help with any after-sale support you may need. Our goal is, and always will be, to maximize your user experience. Please Message Me if You Have Any Questions.