Caware BCBC-20(1) 1 20 inch x 4 1/2 inch Coconut Shell Carbon Block Cartridge - Pack of 1

Caware BCBC-20(1) 1 ? 20 inch x 4 1/2 inch Coconut Shell Carbon Block Cartridge Features: Class 1 Chlorine, Taste & Odor Reduction Made with Premium Quality Coconut Shell Activated Carbon 1 Micron Filtration No Release of Carbon Fines Fits all Standard 10" Big Blue/Full Flow Filter Housings 18,000 Gallon capacity @ 1 PPM Chlorine Flow rate: 6 GPM Cartridges are individually shrink wrapped. Manufactured by CA Ware.