Guaranteed airtight for every application, airtight thanks to 2K membrane technology, easy to install thanks to tool-free cable and pipe entry, integrated cable retention for NYM cables, secure fixing of the pipes, including airtight connecting piece E105HF Milling hole diameter: Ø 68 mm Installation type: HW Cable entry 3x1.5²: 2 Cable entry 5x1.5²/3x2.5²: 2 Cable entry 7x1.5²/5x2.5²: 2 Pipe entry M25: 2 Depth: 61 mm Max. conductor cross-section: 2.5 mm² Suitable for panel thickness: 5-40 mm Halogen-free: yes Accessories: each pack includes 5x E105HF Protection class (IP): IP30 Material box: PP/TPE