Keep your small spaces odor-free and smelling great. Gradually releases lightly scented oils that actually eliminate odors and freshens all month long. No plugs, no batteries and no mess. Works wonders in bathrooms, closets and offices. Starter Kit—Includes one base unit and one scent cartridge. Scent: Hawaiian Aloha; Physical Form: Liquid; Application: Automatic Odor Control; Capacity (Volume): 5.5 mL.