10" x 2.5" Xsential Dual Action Catridge - 5 Micron (CTO-2) 
Reduces chlorine, chemicals, organics, bad taste, odours & sediment 
Built in sediment pre-filters with high capacity carbon granules
Carbon made from environmentally friendly coconut shells produce healthier, better-tasting drinking water
When the cartridge is finished you can remove and compost the carbon media