The Helios FK-BH 150/45 is a 45-degree bend measuring 150 x 50 mm, engineered for volume flows up to 90 m³/h. Manufactured from galvanized steel sheet, it forms part of an underfloor duct system specifically developed for domestic ventilation applications. This bend provides an optimal solution for concealed air ducts and is ideal for efficient air distribution in modern new building constructions.