Applied Membranes Scale and Corrosion Inhibitor Sequesters iron and hardness to prevent scaling and precipitation reactions in plumbing, beverage and ice making equipment. Forms a protective layer in metal pipes that can reduce corrosion. Applied Membranes Model: H-F1099S Media: Slow-Dissolving Polyphosphate Filtration Capacity: 25,000+ Gallons Service Flow Rate: 0.2 - 0.5 GPM Continuous Constructed from FDA Grade Materials and Media Operating pH Range 6 to 9 Dimensions: 2.75 inch Diameter x 10 inch Length. Industry-standard water filter replacement water filter cartridge fits 10” Standard & Slim Line Filter Housings (Outside Dimensions of the Housing are Approximately 4.5” Dia. x 12”L) Ideal choice for preventing scale formation in applications such as: Pretreatment for RO Systems, Distillers, Espresso Machines & Coffee Makers, Ice Makers, Hot Water Heaters, Evaporators, Steam Generators, Boiler Water and more.