Vents

100mm Terracotta Louvered Grille Vent (4" Spigot)

100mm Beige Louvered Grille Vent (4" Spigot)

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

125mm Beige Louvered Grille Vent (5" Spigot)

100mm Louvered Grille with Flyscreen (4" Spigot)

125mm Terracotta Louvered Grille Vent (5" Spigot)

100mm Gravity Grille Beige 4" Spigot

125mm White Plastic Cowled Outlet with Gravity Flap (5" Spigot)

Polypipe 4902C Cowled Ventilation Wall Outlet - 4 Inch / 100mm (Cotswold Sand)

100mm White Gravity Grille Vent 4" Spigot

100mm External Brown Louvered Grille Vent (4" Spigot)

Simon Vent-A-Matic SG5 Stormguard for 101 & 102

125mm External Brown Louvered Grille Vent (5" Spigot).

100mm Gravity Outlet Black 4" Spigot

Domus F4904BK External Ventilation Grille with Insect Screen for 100 mm / 4 Inch Diameter Duct (Black)

Simon Vent-A-Matic Rotary Window Air Vent 121mm Model 101

Polypipe 4902BK Cowled Extractor Fan Grille with Damper 100mm / 4 Inch (Black)

125mm External Black Louvered Grille Vent (5" Spigot).