Polypropylene Ventilation

Kair Brown Cowled Outlet Grille 155mm External Dimension Wall Vent With 100mm - 4 inch Round Rear Spigot and Backdraught Shutter

Kair Fast Seal 204mm x 60mm Ducting Quick Fit Connector for Extending Rectangular Flat Pipes Together

Kair White Gravity Grille 155mm External Dimension Ducting Air Vent with 100mm - 4 inch Round Rear Spigot and Not-Return Shutters

Kair Black Louvred Wall Vent Grille 155mm External Dimension with Flyscreen and Round 100mm - 4 inch Rear Spigot

Kair Terracotta Louvred Grille 183mm External Dimension Wall Ducting Air Vent with Round 150mm - 6 inch Rear Spigot

Kair Terracotta Gravity Grille 183mm External Dimension Ducting Air Vent with 150mm - 6 inch Round Rear Spigot and Shutters

Kair Beige Cowled Outlet Grille 155mm External Dimension with Rectangular 110mm x 54mm Rear Spigot and Backdraught Shutter

Kair Airbrick Adapter 310x29mm to 234x29mm

Kair Ceiling Extract Valve 125mm - 5 inch White Coated Metal Vent

234x29mm Double Airbrick Adapter

Systemair 125mm Balance-E 125 Extract/Exhaust Valve

Kair Beige Cowled Outlet Grille 155mm External Dimension with 125mm - 5 inch Round Rear Spigot and Backdraught Shutter

Kair Connector with Backdraught Shutter 150mm - 6 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose

Condensation Trap With Overflow - 100mm

Kair White Louvred Wall Vent Grille 183mm External Dimension with Flyscreen and Round 150mm - 6 inch Rear Spigot

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

Kair Ducting Adaptor 204mm x 60mm to 125mm - 5 inch Rectangular to Round Straight Channel Connector

Kair White Louvred Grille 155mm External Dimension Wall Ducting Air Vent with Round 125mm - 5 inch Rear Spigot

Kair Black Louvred Wall Vent Grille 183mm External Dimension with Flyscreen and Round 150mm - 6 inch Rear Spigot

Kair Connector with Backdraught Shutter 125mm - 5 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose

Kair Brown Gravity Grille 155mm External Dimension with 125mm - 5 inch Round Rear Spigot and Not-Return Shutters

Kair Terracotta Cowled Outlet Grille 155mm External Dim Wall Vent With 100mm - 4 inch Round Rear Spigot and Backdraught Shutter

Kair Brown Cowled Outlet Grille 155mm External Dim Wall Vent With Rectangular 110mm x 54mm Rear Spigot & Backdraught Shutter

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