The Aqua Flo CB-0.5-20BV is a water filter cartridge that fits the following water filtration systems:
The Aqua-Flo Carbon Filter Cartridge 20"x 4.5" 0.5 Mic is a carbon filter. This carbon filter is a carbon block filter. This carbon block filter measures 4.5 inches x 20 inches. This drop in filter features 0.5 micron filtration.
The Aqua Flo CB-0.5-20BV specifications: