Dunkin' App Free Medium Refresher Drink

• Dunkin Donuts now offers a free medium Refresher drink with the app when you use promo code DUNKINDI3HARDS.
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Editor's Pick: When it's hot out and you want something refreshing, grab this code in the app and pick up a medium Refresher in-store without spending a cent. The fruity iced drink pairs well with a sandwich or bagel, and it's a lighter pick-me-up than coffee for that afternoon slump. The code is valid until August next year, so you can save it for a day when you're already nearby.