Crystals are placed in the lid that actively absorbs excess moisture from the air, releasing it into the collection tub below so it can be poured away. Ideal for caravans, boats, wardrobes and cupboards.Captures over 1000ml of liquidEasy pour spot and calibrated reservoirClip lock lid prevents accidental spillage.Lasts around 8-12 weeksSize: H 100 x W 90 x L 260mmEasily refillable with Kontrol Krystals refill pack