MQ-21 D NEW MQ-21 D NEW Surface finish: Sendzimir galvanized Height: 41 mm Material composition: S250GD - DIN EN 10346 Features & Applications Features C-profile with serrated edges Aesthetic appearance Pre-marked dimensions make installation, assembly and cutting easy Modular channel system Great flexibility due to slots Applications Recommended for installation in dry interiors Pipework Air ducts Cable trays Wall-mounted installations