Berkey Light System includes; two Berkey Earth Ceramic Filters (9inch), BPA-free canisters & base, fabric lid, spigot and 2 hole plugs. Filters up to 3/4 gallons per hour with a holding capacity of 2.75 gallons. The Berkey Light system can provide enough water for groups of up to 10 to 20 people. Berkey Earth Filter Life approx. three years, however filters will need to be cleaned periodically with a soft toothbrush/scotch brite pad when flow rate slows.