Syphon tap for Homebrewing. Ideal for use with syphon tubing to control flow of liquid when bottling your homemade wine, cider, beer or mead. Simply pushes into one end of syphon tubing to control the flow to make racking and bottling easier. Designed to fit size 5/16" flexible food grade syphon tubing which is usually what syphons are made from. Enables you to stop & start the flow when bottling or racking. Made from food grade plastic.