Inner corner base for creating a designer device installation duct from the GAD series. 45 mm system opening for accommodating Modul 45 switching and plug-in devices and corresponding PVC and aluminum upper parts from the Rapid 45 series. The molded part can be completed with molded part covers from the 'Swing', 'Soft' or 'Style' designs. The GAD OTA upper part adapters are mandatory. A GAD OTD spacer must be placed between the duct covers.