Dunn Brothers Coffee is offering free 2-ounce sips of any available hot or cold brew coffee, including Nitro Infinite Black cold brew, at participating locations. No purchase is necessary. Additionally, you can get a free $3 credit with their app. 

 Dunn Brothers Coffee is a well-known coffeehouse chain that specializes in freshly roasted coffee, delicious food, and a warm, inviting atmosphere. Founded in 1987, Dunn Brothers Coffee has grown to become a beloved destination for coffee enthusiasts seeking high-quality, artisan beverages and a sense of community.