MattBlack decor kit: Exclusive look for your extractor hood Improve the look of your extractor hood in an elegant way with the chimney shaft. The flexible, extendable kit fits a variety of ceiling heights - so you can easily visually enhance the aesthetics of your kitchen. Upgrade your extractor hood with a chimney shaft The chimney shaft can be optimally integrated into a matt black kitchen and preserves the aesthetics of the kitchen. It can be installed with both exhaust air and recirculation mode.