The Fineway disposable dehumidifier helps reducing or stopping damp, mould and mildew producing on problem areas caused by moisture in the air. It is a cost effective , sofa and noise free way to remove damp. The interior dehumidifier is suitable for small areas or anywhere where damp is present in a closed area. It is also ideal for use in caravans, boats, sheds, during the winter months when damp is most prevalent. Product should last between 3 to 6 weeks depending on humidity in the surrounding atmosphere .