Metal Flange Vent Pipe Fitting Wall Air Pipe Hose Flange Adapter

Specification: * Material: galvanized * color: gray * Size: 75mm 100mm 120mm 150mm 200mm * Function: fresh air ventilation inlet and outlet * Scope of application: can be used as air inlet and outlet installed in indoor ventilation equipment Package content:1 x flange connection Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.