Water Filter Cartridge, Reduces Atrazine, Chlorine, Cyst, Lead, Lindane, Mercury, Particulates, Sediment, Micron Rating 0.5 micron, Flow Rate 0.6 gpm, Inside Diameter 1 in, Outside Diameter 2 1/4 in, Overall Height 9 3/4 in, Service Life 600 gal, Filter Media Carbon, For Use With Water Filter System, Application Drinking Water, Cartridge Media Activated Carbon Block, Compatible Mfr. Model Number US-600A, Compatible with Grainger Part Number 29AH61, Connection Size 3/8 in. This item has been restricted from sale in the following state (s): []