This is a graded product. A3 products have moderate exterior damage . All products are tested and are in good working order. GRADE A3 Twin Cooling Plus Twin Cooling Plus gives both the fridge and freezer their own cooling systems. That means that your fridge and freezer both have the perfect humidity level and will stay that way.It prevents the transfer of flavours and odours so everything from fish to fruit remains deliciously fresh. Total Frost Free The Total Frost Free feature maintains an even temperature across your whole fridge freezer so you\'ll always have generous space to store everything you need without losing corners to ice. Quieter digital inverter motor Say goodbye to noisy and unreliable kitchen appliances. The RS8000 RS68A8520S9/EU has a digital inverter motor.It varies its power according to how much cooling is needed. That way it consumes less energy runs quietly and lasts longer..