Quick Connect Filter, For Use With Coffee and Hot Tea Water Filtration, Ice, Reduces Cyst, Scale, Sediment, Micron Rating 0.5 micron, Flow Rate 1.5 gpm, Diameter 3 1/4 in, Overall Height 17 in, Service Life 9,000 gal, Filter Media Carbon, Maximum Temperature 100 Degrees F, Standards CFR-21, NSF, Series 3M CFS, Compatible Mfr. Model Number CFS6812, CFS7812, Compatible with Grainger Part Number 1RWJ2, 1RWJ5, Connection Size 3/8 in