We bring you the perfect combination of natural Zeolite and High porous Bamboo carbon (treated at 750-850 Degree Centigrade) products to extend the life of Fruits and vegetables by removing Ethylene Gas, absorb odors and remove the harmful bacteria and keep its natural taste in your Refrigerator. The ripening of fruit and vegetables occurs due to ethylene. It initiates and accelerates the ripening of fruit and vegetables, and then causes them to deteriorate. By lowering the level of ethylene surrounding fruits and vegetables, their shelf life can be greatly increased. Place it inside the Refrigerator Keep our Fruits and Vegetables Refresher unit inside the Refrigerator closer to Fruits and Vegetables chamber. Refresh it in each month by placing in the Sun light for 2 -3 hours and it will work for *1 year . * it depends on the Refrigerator size(volume) and mode of use.