The Aqua Flo CB-5-20BV cartridge fits the following filter housings:
The Aqua-Flo Replacement Carbon Filter 20"x 4.5" 5 Mic is a carbon block filter with a 5 micron rating that reduces the taste and odor of chlorine in your water. This 5 micron filter measures 20 inches in length and 4.5 inches in diameter. With this 20" filter you will be able to improve the taste and clarity of your water.
Aqua-Flo Replacement Carbon Filter 20"x 4.5" 5 Mic specifications: