The Helios VS 100/50 is a high-performance flexible duct connection designed to reduce structure-borne noise and accommodate slight misalignments during installation. It features a double-sided flange frame made from durable galvanized sheet steel, ensuring a strong and secure fit with duct fans and accessories. The central section consists of a dimensionally matched elastic fabric sleeve, allowing flexibility while maintaining airtight integrity. Ideal for enhancing acoustic performance and ensuring reliable ductwork alignment.