F-TRONIC EL E2000 - Cavity wall switch box, diameter 68 mm, depth 47 mm

"With press-out membrane, windproof. Diameter: 68 mm Depth: 47 mm Wherever you need to prevent annoying air circulation in your electrical installation—be it for energy efficiency reasons or because of requisite cleanroom or hygiene conditions—our cavity wall outlets with press-out membrane are the first choice. Pipes or tubes can be pressed through the membranes without additional tools, saving you even more time. The E 4000 and E 4100 models have a raised, enlarged press-out membrane on the side for tubes up to 25 mm, which are ideal for prefabricated housing areas. It goes without saying that all models in this series are VDE-certified and tested in accordance with the ""blower-door test"". Use innovation from F-tronic. Windproof Easy to install Easy to handle without the need for additional tools Improved sound insulation Material: polypropylene, flame-retardant, halogen-free and silicone-free as defined by the standard Proven design in top quality"