Quick Connect Filter, For Use With AP900 Series Whole House Water Filter, Reduces Particulates, Rust, 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 Whole House Water Filtration, Standards CFR-21, Series Aqua-Pure AP917HD, Compatible Mfr. Model Number 56211-02, Compatible with Grainger Part Number 2MHW7, Connection Size 1 in