Cork Pop Refill cartridge features 2 pack of environmentally safe, low-pressure inert propellant that does not affect the flavor or bouquet of any wine and has no effect on the atmosphere or ozone layer. Refill cartridges may be used with all Cork Pop models.

Extended shelf-life; Make sure you have refills on hand when you need them
Each refill cartridge will open approximately 40-60 bottles of wine before replacement