Having trouble starting siphons for those 1/2 gallon or 1 gallon batches? Tired of wasting a little of your precious wine, mead, cider, or beer? This is the perfect solution! With just a pump or two, this mini Auto Siphon gets your siphon going with ease in a sanitary way. These work in half gallon growlers and 1 gallon jugs (carboys) with and are so easy to use and to clean.