Wine Keeper Wine Preservation system is the best way of preserving your wine. On this home system a gas canister will preserve up to 25 wine bottles. You can also buy a manifold kit that will preserve 3 bottles at one time this allows you to preserve multiple bottles of wine. This WineKeeper preservation system has a faucet or tap, which dispenses the wine, very convenient. This is the same system restaurants and bars use but on a much smaller scale. Avid wine lovers would find this system very beneficial.