Upper part for floor duct with brush strip BKB 300x80 with a length of 1 m. Upper part with coverable brush strip for floor duct for dry rooms indoors with dry-cleaned floors. The upper part consists of an upper part sheet and a long-side floor stop profile including brush strip cover and a brush strip that can be inserted separately into the lower part of the duct. The adjustment range of the floor stop profile and brush strip is between 0 - 25 mm and corresponds to the possible floor covering thickness to be applied. The electrical connection of the upper part to the lower part can optionally be implemented using grounding springs. Tested according to DIN EN 50085-2-2.