RKIN CBS Carbon Block CTO Replacement Cartridge lighting-accessories Regular application can create an

Regular application can create an inhospitable environment for pests and pathogens

It is safe

Flow Rate: 1294 GPH / 21

Grow up to 20 of your favorite vegetables

RKIN CBS Carbon Block CTO Replacement Cartridge lighting-accessories Regular application can create anRKIN CBS Carbon Replacement Cartridge for chlorine and disinfection by products reduction. Chlorine and Chloramine reduction 5 micron nominal filtration reduces sand, rust, and sediment Excellent chemical contaminant reduction High dirt holding capacity High Adsorptive Capacity and Efficiency NSF and WQA certified for Material Safety Size: 4. 5 x 20 Recommended replacement every 6 12 months.