LG’s Door-In-Door™ is well-designed double-layered door system that opens with just a touch of a button so you can quickly locate and grab your favorite food items LG’s Inverter Linear Compressor technology saves energy, reducing electricity costs by up to 32 percent Hygiene Fresh Plus air filter can remove bacteria up to 99 percent but also minimize bad odor in the refrigerator Equally divided cooling system helps in keeping the food fresh at every selves of the refrigerator Made of optimal quality material that profoundly anchored to last long and for prolonged usage.