Omnipure Coconut , (OMB-934-1M) is made from Coconut Shell Carbon, which creates a better tasting water. Because of the unique pore structure of this carbon, it is well suited for chemical adsorption, including VOCs, while treating chlorine and chemicals that contribute to taste, colour and odour. Rated for Cryptosporidium and Giardia will treat up to 56,000 litres, 1 micron 9 ¾" (248mm) click here for performance data sheet.85k.pdf