About This Ideal for Residential, Food Service, Rental Fleets, Commercial and Industrial Applications. Our largest Specialty filters feature up to ½ cubic feet of media. Simple maintenance and high capacity make these filters an excellent choice for residential and commercial applications. Activated alumina (aluminum oxide) is highly specialized filter media designed for efficient, selective removal of fluoride and arsenic. Recommended Flow ≈1 GPM. Capacity ≈2,500 Gallons @ 4 mg/L Fluoride Concentration. Overview Brand : WECO FILTERS CHANGING THE COURSE OF WATER PURIFICATION Special Feature : 100% non-metallic! Patented no-tools necessary snap-ring design., Ideal for Residential, Food Service, Rental Fleets, Commercial and Industrial Applications., Large capacity filter configurations., Low pressure drop = high flow., Reduction in frequency of replacing common 2½” or 4½” housings…Bigger is Better. 100% non-metallic! Patented no-tools necessary snap-ring design., Ideal for Residential, Food Service, Rental Fleets, Commercial and Industrial Applications., Large capacity filt… See more Material : Fiberglass w/ Poly Liner Capacity : 2500 Gallons Package Information : Cartridge Purification Method : Activated Alumina UPC : 648620100917 Manufacturer : Water Engineering Corporation