White Airbrick 9" x 6" with Extendable 4" Pipe for Cavity Wall Ventilation

204mm x 60mm 150mm Double Airbrick Adaptor

Kair Terracotta Airbrick Grille with Surround for 204mm x 60mm Ducting

Kair 180mm x 95mm Rectangular Airbrick with Damper - White

White Airbrick 9" x 9" with Extendable 6" Pipe for Cavity Wall Ventilation

Kair White Airbrick Grille with Surround for 204mm x 60mm Ducting

Kair Airbrick Adapter 310x29mm to 234x29mm

Kair Rectangular 204x60mm White Airbrick

Kair Brown Airbrick Grille with Surround for 204mm x 60mm Ducting

Kair Wall Plate 204mm x 60mm for Rectangular Ducting

110mm x 54mm to 204mm x 60mm Rectangular White Airbrick Adaptor

Kair 180mm x 95mm Rectangular Airbrick with Damper - Beige

Kair Black Airbrick Grille with Surround for 204mm x 60mm Ducting

Kair 204mm x 60mm Airbrick With Surround - Black

Kair Airbrick Adapter 234x29mm to 234x29mm

White Airbrick 9" x 3" with Extendable 4" Pipe for Cavity Wall Ventilation

Kair White Airbrick Grille with Damper Flap for 150mm x 70mm Ducting

Airvent Kair Multi-Length Ducting - 3m White 6" Diameter

Flat Plastic Air Brick - 204x60mm - Black

System 204 Double Airbrick Adapter Passive Vents