This is a graded product. A2 products have minor visible dents & scuffs. All products are tested & are in good working order. GRADE A2. Desiccant dehumidifiers are different because they can work in all temperatures with a consistent performance right down to 32°F! Unlike compressor dehumidifiers there is no compressor which means no refrigerant making them greener lighter & quieter than a compressor dehumidifier. Key Product Info. Desiccant dehumidifier so no compressor or cooling coils Works down to 32°FPerfect for garages & unheated storage spaces Helps to protect your RV from damp Look after your classic car bike & tools Quieter & lighter than a compressor dehumidifier Use in bedrooms basements & crawl spaces. What's in the box?. Meaco DD8L Zambezi Drainage hose..