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, Incl. airtight connecting piece E105HF Installation type: HW Milling hole diameter: Ø 68 mm Depth: 47 mm Cable entry 3x1.5²: 2 Cable entry 5x1.5²/3x2.5²: 2 Pipe entry M25: 2 Max. conductor cross-section: 2.5 mm² Suitable for panel thickness: 5-40 mm Box material: PP/TPE Halogen-free: yes Protection class (IP): IP30 Accessories: each pack includes 5x E105HF