Retailers and End-Users love the ExHale 365! With a guaranteed 3 months of distribution and shelf life, the ExHale 365 will be ready when you are. Once CO2 initiation has occurred, CO2 production will begin in earnest with peak CO2 production beginning after 30-45 days. CO2 will continue to be released for the remainder of 9 months. With 3 months of shelf life and 9 months of CO2, you’ve got yourself a Year!! That’s the ExHale 365!!