Small and eco-friendly, the 333 Mini-Dehumidifier protects fabrics, wood, and other valuables from mold and mildew. It works in areas up to 333 cubic feet, and absorbs odors and general moisture to prevent damage in small closets, plastic storage containers, cabinets, areas under the sink, and safes. Each unit lasts 20-30 days before it needs to be renewed, and the indicator color changes from green to orange to let you know when the air is dry. Compact and silent, it's spill free, child friendly, and non-toxic. Protect fabric whether its seasonal clothes in plastic storage containers, or current hanging outfits in small closets, dehumidifiers are a great way to do away with excess moisture. Reduce dust while absorbing excess moisture you are also reducing dust activity, and consequently the risk of allergies. Safeguard valuables protect your valuable pictures and important documents from damage caused by excess moisture.