Includes: Large Berkey Stainless Steel Housing (Top, Bottom, Lid), 2 Black Berkey Filters, 2 Fluoride Elements, 2 Hole Plugs, 1 Knob, 1 Easy Flow Spigot, 1 Set of Easy-to-Follow Assembly Instructions When drinking filtered water using Berkey water filter, it consumes clean and safe. In fact, the Black Berkey water filter element is much stronger than our competitors water filter filter. Berkey water filter element removes 100% pathogens and classifies it as a purifier, not just a filter. The included two (white) Berkey fluoride filters are attached to the bottom of the Berkey Purifiers and hang on the lower chamber. Berkey Fluoride Filter reduces the amount of fluoride in the water by up to 95%. Each fluoride filter has a life span of 1,000 gallons and each purifier can filter up to 3,000 gallons. The Big Berkey is made of high grade 304 stainless steel and can accommodate up to 4 Berkey purification elements and 4 fluoride filters, but this package contains only 2 pieces each.