Aries AF-10-3610-BB Nitrate Selective Filter 10" BB Speciality Filter AF Series Specialty Drinking Water cartridges utilize premium ion exchange resins and specialty absorbents to remove a wide variety of contaminants. Available in the 4 most common sizes to fit standard pressure housings AF filters can improve aesthetic qualities of water and remove harmful contaminants. Features Benefits: AF series cartridges are double-open end that fit standard residential industrial housings Made in the U.S.A. 8 filters per case High purity ResinTech Resins Specialty Adsorbents Highest total capacity Fits standard and slim style housings Oversized 10" body for maximum media fill Lot traceability Body materials FDA approved Technical Data: Diameter (in.): 4.5 Length (in.): 10 Cap Material: ABS (Acrylonitrile Butadiene Styrene) Body/Tube Material: ABS (Acrylonitrile Butadiene Styrene) Pad Material: Polyester Gasket Material: EPDM Temperature F (min/max): 40/100 Pressure (psi) (min/max): 20/125 Micron Rating: 25 Size: 4.5" x 10" Flow Rate (GPM) Operating: 0.25 Grains (CaCO3): 845 Water Quality Guidelines: Arsenic: 50 ppb Conductivity: 1000 micromhos/cm pH: 6.0 - 8.0 Silica: 10 ppm Sulfate: 100 ppm Phosphate: 5 ppm Chlorine: 0.3 ppm Turbidity: 5 NTU