Ventilation Air Grilles & Diffusers


Your first stop for ventilation ducting accessories

Ventilation Air Grilles & Diffusers

DuctStation offers a range of ventilation air grilles and air terminals for domestic and commercial air handling systems.

All our products meet the highest standards of quality and are available in RAL9010 as standard. RAL9016 is available to special order.

Ventilation air grilles and diffusers are available in several designs and sizes. If you can’t find the ventilation grille you are looking for, please contact us and we will try to source it for you.

You might also be interested in our extensive range of high-quality Air Supply & Extract Valves.

Square Aluminium 4-Way Diffusers

These diffusers are used for the supply and exhaust of cool and heated air.

  • Manufactured from extruded aluminium and powder coated in RAL9010 or RAL9016 to order
  • Central core is removable for easy maintenance
  • Can also be supplied with damper (as shown in picture example)
  • Available in neck sizes between 150 – 450mm from stock
Egg Crate Internal Ventilation Grilles

Egg Crate Ventilation Grilles are designed for return air applications.

  • Available in RAL9010
  • Lattice core of 12.7 x 12.7mm
  • Include a 90% free area
  • Standard 600 x 600mm size is available ex-stock
  • Other sizes available to order
  • Also available with dampers
Circular Aluminium Weather Louvres

Weather-proof external louvre outlet grilles for ventilation systems.

  • Robust construction
  • Cast in aluminium
  • Includes bird screen to prevent ingress of large insects and birds
  • Available in sizes from 100mm to 400mm


Stop and take a look at our other ventilation ducting product ranges...