The Unibond Aero 360° Pure Moisture Absorber System + 3 Refills Is Perfect For Absorbing Moisture And Neutralising Odours From The Air. This Device Helps Prevent Condensation, Damp, Allergens, Mould And Mildew. It Is Noise Free And Works By A Natural Process Which Does Not Require Any Energy Source. The Moisture Absorber System Uses An Aero 360° Pure Tab Which Converts Excess Moisture Into A Liquid, Which Is Then Stored In The Tank. The Tab Lasts Up To Three Months And Can Be Replaced. This Device Can Be Used In A Room Up To 20 Metres Squared In Size. This Pack Includes One Device And One 450G Tab.