Vents

Metal Louvre Air Vent Cover, Suitable for Venting Gas Appliances Internal External Wall, 9 x 6" (229 x 152mm), Anthracite

White Air Vent Grille/duct covers with Fly Screen / Anti-Insect Mesh,no screws visible-separate backplate

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

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

GlazPart 5000Ea 455mm Long Black

Metal Grille Cover 150x150mm - White

Blauberg Plastic Fixed Blade Louvred Louvred Grille - 100mm - Light Grey

Simon Framevent Trickle Vent - 2328EA (300mm), White

Brown Long Soffit Vent 290mm x 115mm

Charles Watson 9x6" White Plastic Louvre Vent with Fly Screen

Plastic Fixed Blade Grille - 150mm Terracotta

Black Louvred Wall Vent Grille with Flyscreen and Screw Covers, 200 x 200 mm, Air Ventilation Duct Cover with Flat Back

Domus F4904C External Grille Fixed with Insect Screen 100 mm /4 Inch (Cotswold Sand)

Flat Plastic Air Brick - 204x60mm - Brown

Timloc Louvre Grille Vent White - 242 x 89mm

4-inch / 100 mm Circular Ceiling Mounted Air Vent Grille Cover, Round Ventilation Extract/Supply Valve Diffuser (White)

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

White Louvred Wall Vent Grille with Flyscreen and Screw Covers, 100 x 100 mm, Air Ventilation Duct Cover with Flat Back

EAI Trickle Window Slot Vent Easy Fitting Inside & Out - 400mm - 3180mm²EA - White

Awenta 45mm Diameter Hole 2x White Round Door Air Vent Grille Woodwork Furniture

Map Aluminium Trickle Slot Air Vent 375mm White for uPVC Aluminium Windows

6-inch / 150 mm Circular Ceiling Mounted Air Vent Grille Cover, Round Ventilation Extract/Supply Valve Diffuser (White)

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

5-inch / 125 mm Circular Ceiling Mounted Air Vent Grille Cover, Round Ventilation Extract/Supply Valve Diffuser (White)