These dehumidifiers absorb the damp that causes mustiness and condensation into silica gels. Use in small spaces, from car to shed, from wardrobe to caravan. When the crystals turn from orange to green, place on the fan-driven recharge station for 2–3 hours to restore them. For drying shoes, attach the twin dryer to the recharge station. It will blow hot air into the shoes – fantastic for trainers.