It’s best to locate one that has a patent or a patent pending. This will ensure that the wine aerators has passed the tests needed to introduce it to the world. Look for one that offers an adjustable rate of deliver, so that it will ensure aeration is perfectly suited for the size and shape of your decanter or wineglass. You also will want one that can be used with a decanter or a wineglass, as it will allow for maximum air exposure. This helps to release the hidden aromas and flavors within your wine. You can easily enjoy every glass in an optimal drinking condition.