Выражение встречается в следующем контексте:
vacuum wine saver pump and stopper( available from most supermarkets)
Заранее спасибо

The Wine Saver is a vacuum pump that extracts the air from the opened bottle and reseals it with a special reusable rubber stopper. This slows down the taste-destroying oxidation so that you can enjoy your wine for a longer period of time. The bottle can be opened and resealed as many times as you like.

This starter pack comes with one pump and one stopper, both of which are reusable. The starter pack is only available in white, but if you prefer black you can pick the "gift pack" with an extra stopper included.
А вот по-русски
VacuVin (Нидерланды) Приспособление для сохранения вина (белый насос+1 пробка) Приспособление Vacu Vin Wine Saver для сохранения вина - представляет собой помпу, которая извлекает воздух из открытой бутылки и закрывает ее специальным