With Epivac Duo, Peugeot invites you to keep a good bottle of wine or champagne once you have started it. This useful device allows you to keep an open bottle for 2 to 8 days. Epivac Duo is a dual-function pump. Remove air from a wine bottle to limit oxidization for ideal wine storage conditions. For Champagne, simply injects air into the bottle to keep the magical fizz. A beautiful way to keep enjoying a good wine and keep the party going! Epivac Duo comes with 2 wine stoppers and 1 champagne stopper