Fit For Oxo Greensaver Crisper Inserts And Also Compatible With Bluapple Produce Freshness Saver Balls | | Activated Carbon Filter Traps And Absorbs Ethylene Gas, Slowing Down The Aging Process And Keeping Produce Fresh Longer | | We Recommend Changing The Filter Each 3 Months And You Will Receive 6 Filters Which Will Provide 18 Months Of Freshness And Deodorization For Your Produce Saver | | Extend The Life Of Fruits And Vegetables And Reduce The Amount Of Rotting Food Thrown Away | | Remove Odors And Keep Products Fresh | |