Now you can enjoy virtually the most delicious, freshest, and healthiest drinking water possible for pennies a day. Anytime a reliable and healthy source of purified water is desired. Berkey Water Purification Systems are the ultimate in water purification and the ideal personal protection traveling companions. Used worldwide for normal, hostile and emergency environments to provide the purest, sparkling clean water possible. The revolutionary Black Berkey self-sterilizing and re-cleanable purification elements, purify water by removing pathogenic bacteria, cysts, and parasites entirely and by extracting harmful chemicals such as herbicides, pesticides, VOCs, organic solvents, radon 222 and trihalomethanes. They also reduce nitrates, nitrites, sediment and unhealthy minerals such as lead and mercury. Constructed of a shatter resistant, high impact strength non BPA copolyester; the system comes complete with two purification elements, a base and utilizes the latest technological advances. This system has a storage capacity of about 2.75 gallons and when in use it stands 26.5" in height with a diameter of 9". The system stands 21" when used without the included base. This system comes with two Black Berkey purification elements, and can purify up to 4 Gallons per hour. The Berkey Light system is designed for use during travel, outdoor activities and during unexpected emergencies. This powerful system purifies both treated water and untreated raw water from such sources as remote lakes, streams, stagnant ponds and water supplies in foreign countries, where regulations may be substandard at best. Perfect for outdoor activities and a must in hostile environments where electricity, water pressure or treated water may not be available.