Log into your Dunkin app to score a FREE Medium Refresher! Once you’re in the app, click offers, then scroll down and enter promo code HIBARBIEHIDUNKIN when prompted. It’ll be added to your account and must be redeemed by June 11th. Note that this promo code may be only valid for a limited time, so enter it now while you can. Enjoy!
Dunkin: FREE Medium Refresher (Mobile App)
