摘要 |
Floor element is formed as an air channel (9) made from sheet metal with side walls (10, 11), an upper wall (12), a lower wall (13) and an inlet and outlet opening for fresh air and/or circulating air. The upper wall of the air channel has a structure on the upper side with holding elements for fixing tubular string (7). Preferred Features: The holding elements are formed as clamping cams The air channel has a rectangular cross-section. The floor element is made from galvanized sheet metal. |