Quick Connect Filter, For Use With Under Sink Reverse Osmosis Water Filter, Reduces Particulates, Micron Rating 5 micron, Flow Rate 0.6 gpm, Diameter 3 1/4 in, Overall Height 14 3/8 in, Service Life 2,500 gal, Filter Media Carbon, Maximum Temperature 100 Degrees F, Application Under Sink Water Filtration, Standards NSF, Series Aqua-Pure, Compatible Mfr. Model Number APRO5500, Compatible with Grainger Part Number 5PT08, Connection Size 1/4 in