Extend the life of fruits and vegetables with PureFresh Refillable Fruit and Veggie Saver(TM). Our refillable produce savers absorb ethylene gas from fruits and vegetables, the natural gas that causes produce to ripen quicker. Includes 2 refillable produce savers, each lasts up to 6 months. Place in your crisper drawers or storage bins and enjoy fresh tasting produce with a longer storage life. Refill every 6 months. For refills, purchase PK-1(TM).