Ullo Wine Filter System includes the actual filter bulb, caddy, travel bag and I have included 12 filters. More filters can be ordered as needed from Ullo or Amazon. Please read more about this wine system by going to Üllo.com. According to Ullo: "Üllo is a revolutionary wine purifier that uses Selective Sulfite™ technology to remove sulfites and reduce histamines, bringing wine back to its natural state."