This mighty system cleanses both treated water and unprocessed raw water from such type of sources as distant lakes, streams, stagnant ponds and water supplies in overseas countries, where set of laws may be inferior at best. The adaptable Big Berkey system is the perfect system for use at home by means of small or medium sized people, travel, outdoor activities or during unpredicted unexpected situations. Perfect intended for everyday use, outside activities and a must in hostile environments wherever electricity, water pressure or treated water may not be obtainable. This scheme is so dominant it can take away food coloring from water without eradicating the advantageous minerals your body needs. Manufactured of highly polished 304 stainless steel, the scheme comes complete with two cleansing elements and uses the newest technological developments. The Big Berkey system eliminates pathogenic micro organism, cysts and parasites completely and eliminates damaging chemical compounds such as herbicides, pesticides, VOCs, organic solvents, radon 222 and trihalomethanes. Almost no new system can replicate this presentation. It also minimizes nitrates, nitrites and harmful minerals such as lead and mercury.