3M Quick Connect Filter, 20 gpm, 5 Micron, 4-1/2″ O.D., 20 1/16 in H 5621008
3M Aqua-Pure™ AP917HD-S Sanitary Quick-Change Whole House Water Filter (5621008). Flow Rate: 20 gpm. Shell Material: Carbon. Compatible Filter Head Manufacturer Part Number: 6223201. Product Type: Quick-Connect Water Filter.