The 10 inch carbon block filter cartridge is designed to remove chlorine, organics, taste and odor from water in both residential and aquarium RO/DI systems. This dual-purpose filter combines sediment filtration with activated carbon to provide a comprehensive cleaning solution that extends the lifespan of your equipment while maintaining high performance standards. Compatible with leading brands like Spectrapure, Captive Purity's, Kent Marine, AWI, BRS, and many more, this cartridge meets NSF Standards and effectively removes trihalomethanes, chloramine, pesticides, volatile organic chemicals, and up to 99.95% of giardia and cryptosporidium cysts.