... carbon filter 1.activated carbon,with coco carbon 2.good quality and reasonable price for filter post carbon filter cartridge 1.Brief account: In-line filter ... . These filter cartridges can fill carbon,spun pp sediment,carbon block and half coconut shell activated carbon and half ... far-infrared mineral ball,calcite,activated carbon+calcite,calcite,activated carbon with silver 2.Specfication:Max. Water ...