The Helios FR 560 is a precision-engineered flange designed for connecting circular flanged fans to compatible round ducting systems. Constructed from galvanized sheet steel, it matches the diameter and bolt pattern of Helios circular fans, ensuring easy installation. The integrated spigot accommodates both flexible connectors and rigid circular ducts. As part of Helios’ comprehensive flange series, the FR 560 is one of ten available sizes ranging from 180 mm to 710 mm, providing versatile solutions for ventilation setups.