Flat angle top part, inside corner for floor duct with brush strip BKB 300x80. Flat angle top part, inside corner with coverable brush strips for floor duct for dry rooms indoors with dry-cleaned floors. The top part consists of an upper part sheet and two long-side floor stop profiles including brush strip covers as well as two brush strips that can be inserted separately into the bottom part of the duct and a corner cover. The adjustment range of the floor stop profiles and brush strips is between 0 - 25 mm and corresponds to the possible floor covering thickness that can 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.