CERO Silica Gel de Humidifier Moisture Humidity Dampness Absorber (250g) CERO Silica Gel is a mobile De Humidifier that Absorbs Moisture Humidity Dampness. It has blue Indicator Beeds to indicate the status of absorption. Used in Cupboard | Kitchen Cabinet | Others. Protects Electronics, Furniture, Clothes and Health. REDUCES Allergies, REMOVES Musty Smells, PREVENTS Mould & Fungus.