Type EC without damper
Type ECD with damper
Standard extract grille
Material used – Extruded aluminum
Made with aluminum strips to form a lattice effect
Square holes – 12.5mm x 12.5mm
Overall dimension – nominal plus 45mm
Overall depth – 25mm and with a damper 70mm
Frame – 32mm beveled as standard but also 25mm flat edge also available
Hinged or removable core also available to allow filter and access to ductwork
The free area is 90% and is able to cope with very high levels of air volume. Even with damper which is fully open you will still have the free area of 90%
Colour – Standard satin aluminum but also available in white, RAL or BS colour