You'll find different setups or configurations for all the Eureka Mignon models. It may seem a bit awkward to look at the 15 BL, 16 CR, and 17 NX variants, but they simply refer to color schemes. - 15 BL: Black chute -16 CR: Chrome chute - 17 NX: Chrome chute and chrome sides with Eureka logo If you're curious about how is going to look your favorite Eureka Mignon Specialita, you can use the Mignon Configurator, on the Eureka website.