<p>Disclosed are devices for the treatment of a lavatory appliance which device generates a mist of a treatment composition, viz, an aerosolized treatment composition which imparts a technical benefit to surfaces of the lavatory appliance which come into contact with the said aerosolized treatment composition. Methods for use of the devices for providing a technical benefit to surfaces of a lavatory appliance treated with the treatment composition, or airspace in the ambient environment of the lavatory appliance are also disclosed.</p>
