The True 842094109050 Aerating Pour Spout In Sioc Pkg is a bottle attachment that introduces air into wine as it is poured. Its internal passage directs the liquid through the aeration mechanism before it reaches the glass. This process increases contact between the wine and surrounding air during serving. The spout fits into the bottle opening to provide a direct pouring route while reducing the need for a separate aeration vessel. It is suitable for home bars, restaurants.