Lower part for floor duct with brush strip BKBD 300x80 with a length of 2m. Lower part for floor duct for dry rooms indoors with dry-maintained floors. The lower part consists of a floor trough sheet with pre-assembled side profiles and is supplied including device carriers, duct connectors and assembly protection covers. The floor stop profile pre-assembled on the room side has an adjustment range between 0 - 25 mm and corresponds to the possible floor covering thickness to be applied. Tested according to DIN EN 50085-2-2.