Get a 5-Pack of The Fresh Scents of Smell-Air Air Fresheners for free! All you have to do is click the 'Get Sample' button below then provide your email address and a QR code will pop up. You will need to scan the QR code and download the app. Once you have received your NFT on the app, check your inbox for an email with the title 'You're a Citizen Now'. Open the email and check out your free fresheners for free with free shipping.