The Helios FK‑Y 200÷150÷150 is a Y branch flat duct fitting featuring two outlets sized 150 x 50 mm and one outlet sized 200 x 50 mm. Made from galvanised steel sheet, this component is part of an underfloor duct system engineered specifically for domestic ventilation. It offers a reliable and efficient solution for concealed air ducts, providing optimal air distribution in new residential buildings. The robust design ensures durability and performance within ventilation installations.