Indoor plant breeding
Connector D diameter: 150 mm, metal 3 outputs. It splits to ventilation for 2 different.
The connection piece for ventilation 150 mm Comes complete with the aluminium, PVC and ear protectors diameter of that with a simple of the famous Aluminium or why not consider the the same.
T Union Vents for Air Extractor / Ducting (150mm) - B0090HJD0M