A vacuum sealer can extend the life of fruits, vegetables, and other perishables by sealing them in multilayered plastic bags, jars, or canisters and removing virtually all the oxygen and moisture — the two primary causes of food spoilage and freezer burn. Most are easy to use and small enough to stash in a cabinet. Unfortunately, their technology hasn’t yet advanced to the point that they can prolong the youth of people.
RS Pick: FoodSaver Advanced design V2440, $130, www.foodsaver.com.