Absorbs Moisture from the Air One Slimline Tray is Enough per Room Perfect for Use in Statics, Caravans, Motorhomes, Cars & Home     Product information:   Delivery  FREE  Useage Absorbs Moisture from the Room Litres 0.25 Litres Doseages 1 Tray for one Room Dimensions 22cm x 15cm x 3cm Tall Weight 250g   Description:   Sanidry Tray, exclusive to OLPRO in the UK, is a semi-rigid tray containing a highly hygroscopic product able to absorb humidity present in the air and condense it into the tray.  The Sanidry Tray is one of the most effect dehumidifiers available with immediate effects.   Ideal for use at home, in caravans, motorhomes, boats, cars - any where!   The Tray actually attracts humidity and captures it in its transparent membrane, transforming it into a liquid substance which is kept inside the tray.   One tray is suitable for use in one room, caravan etc.  Depending on the relative humidity the absorption capacity increases.