Door Cooling+™ Delivers Freshness Evenly & Faster Food stays fresh and drinks get ice cold on any shelf with even and faster cooling performance. Multi Air Flow Optimal Temperatures Everywhere The Multi-Air Flow System was designed to maintain ideal temperature levels to help keep your food fresher, for longer. Digital sensors constantly monitor conditions inside the refrigerator, and vents are strategically placed throughout to surround your food with cool air to keep it at its freshest at all times.