Epivac Duo is a wine pump for wine and champagne. This Peugeot wine keeper for wine and champagne will allow you to keep a good opened bottle for 2 to 8 days, as applicable. With Epivac Duo, Peugeot invites you to keep a good bottle of wine or champagne once you have started it. 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.