A display case for storing food and beverage products that evenly distributes chilled air within the display case that includes a cassette unit and a chassis that has an interior volume that is encapsulated by a front section, a rear section, a base portion and a top portion and two side portions. The chassis has one or more shelves and one or more goal posts mounted therein. The goal posts deliver chilled air to the shelves. The shelves have a bottom surface that has a plurality of impingement holes disposed therein that disperse the chilled air into the interior volume so that the chilled air blankets the top of the food and beverage products on the shelves below. The shelves may incorporate a groove in the bottom surface. Low power consumption LED lighting may be incorporated in the grove to illuminate the product on the shelf below.