- New, never used, Tupperware Medium FridgeSmart food saver

Keep your produce fresher, longer! Top food scientists from the University of Florida and Tupperware have researched the storage of fruits and vegetables extensively to develop a line of intelligent containers.​ Tupperware's ACE (Atmosphere Controlled Environment) system creates the optimal environment to maintain freshness for longer. FridgeSmart® Containers use this special three-way venting system to help regulate the atmosphere inside the container by balancing the flow of oxygen coming in and carbon dioxide going out. ​ FridgeSmart® Medium container has a capacity of 1¾ qt/1.8 L. New, never used.