Don't let good produce go bad before its time. The OXO Greensaver Produce Keepers feature enhanced carbon filters that trap and absorb ethylene gas, plus removable baskets that promote proper airflow and vents for maintaining optimum humidity for different types of produce. Baskets can also be used as colanders for rinsing. Includes one Carbon Filter, which can be replaced with our Carbon Filter Refills. 4.3-Quart Size.