This is only for a spare working base as pictured. The power adapter is not included. The AquaTru Carafe Countertop Glass Water Purifier AT100 is a 4-stage reverse osmosis filtration system that removes 83 contaminants, offering 15 times more filtration than the leading product. Made of glass and designed for household use, this white countertop unit has a 64 oz capacity and is compatible with Aqua Optima brand water purifiers. Perfect for those looking to purify their water and enjoy clean, refreshing water every time.