The 3M CFS22 is a large diameter high flow filter housing that accepts the following replacement cartridges:
The 3M Cuno CFS22 High Flow Water Filter Housing features 1 inch National Pipe Thread (NPT) inlet/outlet connections. This CFS22 housing has a flow rate of 45 gallons per minute (gpm). This cartridge filter housing also features a pressure relief button. The Cuno CFS22 includes a mounting bracket and wrench for easy installation.
The 3M CFS22 specifications: