AeraWine Infusion Spirit and Wine Aerator 4 Pack This innovative bottle-top aerator infuses wine air as its poured from the bottle  immediately enhancing taste, bouquet, and smoothness.This innovative bottle-top aerator infuses wine air as its poured from the bottle  immediately enhancing taste, bouquet, and smoothness. Also aerates spirits and liquors for smoother taste. Unique friction-fit design pulls apart for easy cleaning. Simply insert the AeraWine into the bottle with a slight twist to ensure an airtight seal. Tilt the bottle at a steep angle for maximum aeration.