Water Filter Cartridge, Reduces Dirt, Rust, Scale, Sediment, Silt, Micron Rating 5 micron, Flow Rate 8 gpm, Inside Diameter 4 1/2 in, Outside Diameter 4 1/2 in, Overall Height 9 3/4 in, Service Life 12, 000 gal, Filter Media Cellulose, For Use With Whole House, Application Whole House Filtration, Compatible Mfr. Model Number HD-950A, Compatible Grainger Part Number 29AH47, Connection Size 1 in, Connection Type Quick-Connect, Filter Design Pleated. This item has been restricted from sale in the following state (s): []