The 3M Cuno CFS186-A water filter has been discontinuede. The 3M Cuno CFS117 is the preferred replacement filter for the CFS186-A.
The 3M Cuno CFS186-A water filter fits the following water filter housings:
The 3M Cuno 9 3/4" 5 Micron Carbon Block Water Filter is a replacement drop-in style water filter cartridge that fits the CFS11, CFS01, and CFSBCI-1 filter housings from 3M Cuno. This 9 3/4" water filter features a 5 micron rating for the reduction of the taste and odor of chlorine in your water. This 5 micron water filter also features high quality carbon block media and a flow rate of 1.67 gallons per minute. This carbon block filter can also be used as a retrofit cartridge to upgrade your current water filtration.
3M Cuno 9 3/4" 5 Micron Carbon Block Water Filter specifications: