10"x2.5" Doulton Ceramic Cartridge, Carbon Core

 Doulton Ceramic Carbon Cartridge. Recommended for use in Tank Water or unchlorinated water supplies. Ceramic outer cartridge will remove Bacteria, Giardia and Cryptosporidium. Carbon inner cartridge will remove organic chemicals from any animal or leaf matter decaying in the water and bad taste & odour. Requires a pump, not suitable for gravity feed systems.