Polypropylene Ducting

Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector

System 220x90 Double Airbrick Adapter With Fitted Grilles - Black

System 204X60mm Duct Silencer - Attenuator 0.5MTR

Kair Ceiling Extract Valve 150mm - 6 inch White Coated Metal Vent

Kair Elbow Bend Adaptor 220mm x 90mm to 100mm - 4 inch Rectangular to Round 90 Degree Bend Adapter

Kair Beige Cowled Outlet Grille 183mm External Dimension with 150mm - 6 inch Round Rear Spigot and Backdraught Shutter

Kair Plastic Round Ceiling Vent 150mm - 6 inch Diffuser / Extract Valve with Retaining Ring