This is a real cheap, plastic product. Its effectiveness comes from the fact that the escaping gas goes through two chambers instead of one, which also eliminates the possibility of depleting overnite all the water in the airlock from being blown out by a high alcohol fermentation, from using adjuncts such as honey. Picture at bottom of page. In our opinion, an essential piece of the brewers arsenal of equipment. Two spouts, one coming off at an angle and the other pointing straight up, each spout with an airtight removable plastic seal.
Entire cap fits tightly over standard carboy opening.
Provides nearly hands off siphoning abilities from container to container.