This is a set of Housetec's Aqua Soft shower water softener, including the maintenance agent and the main unit. Although it is unused, please refrain from purchasing if you are sensitive to items stored at home. [Brand] Housetec [Product Name] Aqua Soft Shower Water Softener [Model Number] AQ-S401, AQ-RS120S [Maintenance Agent] 120g x 12 packets The box is not included. Instruction manual included. Thank you.