Helios Fans HRFD 500÷8÷4 Note: FREE Click & Collect
The Helios HRFD 500÷8÷4 is a robust, high-efficiency axial fan designed for direct installation into ducted systems where variable airflow is required. It features a cylindrical steel housing with integrated flanges on both ends, built to DIN 24155 standards for seamless duct integration. Its impeller is equipped with 7 blades made from high-perfor ...