(TrendHunter.com) The NIIN Air tobacco-free disposable vapes are a line of synthetic nicotine vapes that are focused on providing adult consumers with an adjustable option to choose when switching from conventional... (TrendHunter.com) The NIIN Air tobacco-free disposable vapes are a line of synthetic nicotine vapes that are focused on providing adult consumers with an adjustable option to choose when switching from conventional...