floor duct branch as T-piece with integrated connectors
From a width ≥ 300 mm, one separating strip must be installed. From a width of ≥ 500 mm, two separating strips must be installed.
floor duct branch as T-piece with integrated connectors
From a width ≥ 300 mm, one separating strip must be installed. From a width of ≥ 500 mm, two separating strips must be installed.
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