Circle K is a spacious, clean and very busy 24-hour convenience store, gas station and car wash at the corner of Jeffco Boulevard and Starling Airport Road. Manager Angie Voiles says customers love that fountain drinks are always 69 cents. They also love the roller grill hotdogs, great coffee and tasty donuts. The store carries beer, wine, cigarettes, lottery tickets and all sorts of snacks and necessities.