Must be 18 to enter. Prize to be picked up at Dusterhoft Family Stores, Grand Forks I-29 and Demers location, located at 4315 Demers Avenue. This gift certificate is good for $25 in fuel at any Dusterhoft Family Store location. Prize is redeemable for gas, convenience store items, and the car wash, but must be used in a single visit. Some restrictions apply. Offer subject to change. No cash value. No cash back. See store for details. No purchase necessary. Purchase does not increase chances of winning.