The Helios FK‑T 150÷200÷150 is a flat duct T‑piece made from galvanized steel sheet, featuring two outlets measuring 150 x 50 mm and one outlet measuring 200 x 50 mm. It is part of an underfloor duct system designed specifically for domestic ventilation. The duct system offers corrosion resistance and a rigid flat design. External connecting sleeves ensure smooth inner walls that minimize flow resistance and dirt buildup. This product is ideal for concealed air ducts and efficient air distribution in new building projects.