Fruits and vegetables naturally produce ethylene gas as they ripen. When produce absorbs ethylene, the speed at which it ripens accelerates. Produce Preservers help absorb ethylene emitted within your refrigerator to keep your produce fresh for longer. 

Check out the Universal Produce Preserver Starter Kit by Whirlpool:

• With a one time purchase, this kit will supply all the parts needed to get you started on keeping your produce fresh for longer!
• Contents include 1 Holder, 2 Produce Preserver Pouches, 1 Status Indicator, 2 Suction Cups (for installation),  and 1 Plate (for installation). 
• This kit is Universal and can be used with all refrigerator brands/models!
• Find Produce Preserver Pouch refills here.