Quick Connect Filter, For Use With Under Sink Full Flow Drinking Water Filter System, Reduces Sediment, Micron Rating 0.2 micron, Flow Rate 2.5 gpm, Diameter 4 1/2 in, Overall Height 4 1/2 in, Service Life 6,000 gal, Filter Media Carbon, Maximum Temperature 100 Degrees F, Application Drinking Fountains, Under Sink, Standards NSF 42, NSF 53, Compatible Mfr. Model Number 3MFF100, Compatible with Grainger Part Number 6DWP0, Connection Size 3/8 in