Helios Fans HRFD 450÷8÷4 Note: FREE Click & Collect
The Helios HRFD 450÷8÷4 is a high-performance axial fan designed with a cylindrical duct made from galvanized sheet steel. The duct fully encloses the impeller and is equipped with flanges on both ends, conforming to DIN 24155 standards for flange dimensions and fixing holes. An external terminal box is mounted on the casing for convenient electrical conn ...