The evolution of the Door-in-Door system is embodied in the InstaView Door-in-Door system. With the InstaView Door-in-Door system, you no longer need to open the door to look inside, now you can see the contents by simply knocking twice on the glass door without letting out cold air. LG's Hygiene Fresh+ technology uses a 5-stage filter that eliminates most of the causes of food spoilage.
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