Ventilation

White Window Trickle Vent 495mm

SQUARE air vent with no screws visible cover plate and fly screen,flat back (140mm high x 140mm wide)

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

Plastic Fixed Blade Grille - 150mm - Black

Blauberg Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille - 100mm Black

Plastic Gravity Shutter - 150mm - Black

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

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

Blauberg Plastic Cowled Hooded Air Ventilation Wind Baffle Wall Grille - 100mm Grey

Domus F4904W External Ventilation Grille with Insect Screen 100 mm/4 Inch (White)

Silver Louvred Wall Vent Grille with Flyscreen and Screw Covers, 300 x 300 mm, Air Ventilation Duct Cover with Flat Back

125mm Beige Gravity Outlet Vent (5" Spigot)

Securit Hit & Miss Plastic Air Vent White (229mm x 152mm)

Polypipe 4902B Cowled Extractor Fan Grille with Damper 100mm / 4 Inch (Brown)

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

Grey Gravity Flap for 100 mm / 4" Round Wall Outlet - Ventilation Duct Cover with Non-Return Shutters and Rear Spigot

150mm Beige Louvered Grille Vent 6" Spigot

Domus F4904T External Ventilation Grille with Insect Screen 100 mm/4 Inch (Terracotta)

Air-Tech Vent Grille Brown Plastic Wall Ducting Ventilation Cover Variety of Sizes (110 x 460mm)

Securit Plastic Louvre Vent Brown (One Size)

Brown Louvred Wall Vent Grille with Flyscreen and Screw Covers, 200 x 300 mm, Air Ventilation Duct Cover with Flat Back

Plastic White Air Vent Louvre Grille with Flyscreen Cover for Walls, (L) 258mm (W) 94mm

White Louvred Wall Vent Grille with Flyscreen and Screw Covers, 200 mm / 8 in, Air Ventilation Duct Cover with Flat Back

100mm Beige Louvered Grille Vent (4" Spigot)