Quick Connect Filter, For Use With Chlorinated and Non-Chlorinated Well Water System, Reduces Particulates, Scale, Micron Rating 5 micron, Flow Rate 20 gpm, Diameter 4 1/2 in, Overall Height 21 in, Service Life 100,000 gal, Filter Media Carbon, Maximum Temperature 100 Degrees F, Application Commercial, Whole House, Standards CFR-21, Compatible Mfr. Model Number 56211-04, Compatible with Grainger Part Number 49Y028, Connection Size 1 in