Terracotta Louvre Air Vent 6" x 3" Plastic Grille for Internal and External Use

Vents 125mm Extractor Fan with Ventilation Grille Bathroom Ventilator Air Exhaust

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

VENTS-CRYSTALIS 100 BLACK T 4 inch 100 mm Extractor Fan with Timer-5056194045155

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

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

AirTech-UK Bathroom Centrifugal Fan Kit - Loft Ceiling Mount Extractor Duct Vent with Timer 4" (100MM)

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

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

Vents 100mm Extractor Fan with Ventilation Grille Bathroom Ventilator Air Exhaust

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

AirTech-UK Bathroom Centrifugal Fan Kit - Loft Ceiling Mount Extractor Duct Vent 4" (100MM)

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

White Hooded Extractor Fan Vent Grille Cowl with Back Draught Shutter 4" 100mm

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