Screwpull Wine Pump Set. The only thing sadder than pouring spoiled wine down the drain is not opening it at all because you can''t finish the bottle at one meal. The one and only, Screwpull Wine Pump Set, used in more than 10 million homes worldwide, is the easiest, most affordable way to preserve opened wines. The Screwpull Wine Pump Set removes the air (and the oxygen that spoils wine) from opened bottles. Place it over the reusable stopper and pump out the air. The more stoppers you have, the more bottles you can save! One-year warranty. Gift boxed. 2-Bottle System(1 Pump, 3 Stoppers).