These ingenious filters remove up to 95% of histamines and sulfites thought to cause headaches, congestion and other side effects associated with drinking wine. Place the wand in a six-ounce glass of red or white, swirl, and in as little as three minutes your favorite varietal will be naturally aerated and ready to savor. Easy to use in any glass, these handy bar tools are a welcome addition to happy hours and dinner parties.