Water Filtration System, Reduces Atrazine, and Virus, Chlorine Taste and Odor, Cyst, Lead, Lindane, Nominal Particulate Class I, Micron Rating 0.5 micron, Connection Size 3/8 in, Overall Height 14 5/8 in, Width 10 3/8 in, Service Life 350 gal, Flow Rate 0.8 gpm, Application Whole House, Color White, Compatible Mfr. Model Number US-3UF-R, Compatible Grainger Part Number 53CF18, Connection Type NPT, Depth 4 1/2 in, Head Material ABS, Housing Material Polypropylene