Kair Terracotta Gravity Grille with Rectangular 110x54mm Rear Spigot

100mm Gravity Grille Green 4" Spigot

Black Gravity Grille 100 mm / 4" External Ducting Air Vent with Round Spigot and Non-Return Gravity Shutters for Extractor Fans

Terracotta Gravity Square Extractor Air Vent and Back Draught Shutter 4 Inch Ducting

Kair Terracotta Gravity Grille 155mm External Dimension Ducting Air Vent with 125mm - 5 inch Round Rear Spigot and Shutters

Blauberg Plastic Gravity Shutter Grille with Round Read Spigot - 100mm - Terracotta

White Gravity Grille 150 mm / 6" External Ducting Air Vent with Round Spigot and Non-Return Gravity Shutters for Extractor Fans

150mm Terracotta Louvered Grille Vent (6" Spigot)

White Gravity Grille 100 mm / 4" External Ducting Air Vent with Round Spigot and Non-Return Gravity Shutters for Extractor Fans

Plastic Fixed Blade Grille - 150mm Terracotta

Black Gravity Grille 125 mm / 5" External Ducting Air Vent with Round Spigot and Non-Return Gravity Shutters for Extractor Fans

125mm Terracotta Louvered Grille Vent (5" Spigot)

100mm Terracotta Louvered Grille Vent (4" Spigot)

Kair Terracotta Cowled Outlet Grille 155mm External Dim Wall Vent With 125mm - 5 inch Round Rear Spigot and Backdraught Shutter

White Gravity Grille 125 mm / 5" External Ducting Air Vent with Round Spigot and Non-Return Gravity Shutters for Extractor Fans

AirTech-UK Gravity Grille Terracotta 155mm External with 100mm - 4 inch Round Rear Spigot and Not-Return Shutters Ducting Air Vent

Kair Terracotta Gravity Grille 155mm External Dimension Ducting Air Vent with 100mm - 4 inch Round Rear Spigot and Shutters

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

Blauberg Plastic Vented Back Draught Air Gravity Shutter Ventilation Grille - 125mm Cotswold Stone

Black Gravity Grille 150 mm / 6" External Ducting Air Vent with Round Spigot and Non-Return Gravity Shutters for Extractor Fans