The Screwpull Wine Aerator will instantly make wine breathe making it an essential tool for all wine enthusiasts. The Screwpull Wine Aerator is controlled flow with gentle pouring, no splacing and no dripping. Double aeration chamber of the Screwpull Wine Aerator maximizes aeration for every glass of wine poured. The Screwpull Aerator allows a controlled flow with gentle pouring and no splashes or drips. The easy to use 90 degree twist turn pour/stop function of the Screwpull Wine Aerator allows for air tight storage after each use.