Save 47% off the 6 Piece Rubbermaid Produce Saver Containers (3 containers, 3 lids)! Click here to get it for just $18.39. KEEP PRODUCE FRESHER LONGER: Rubbermaid FreshWorks Produce Saver uses FreshVent technology to regulate airflow, so your produce stays fresher longer. BUILT-IN FILTER: The built-in FreshVent filter in these Rubbermaid containers regulates the flow of oxygen and carbon dioxide to create the optimal environment