Chrome Louvred Wall Vent Grille with Flyscreen, Fits 150 mm / 6 in Ducts, Round Ventilation Grille with Flat Back

Chrome Louvred Wall Vent Grille with Flyscreen for 100 mm / 4" Round Wall Outlet - Air Ventilation Duct Cover with Flange

White Air Vent Grille/duct covers with Fly Screen / Anti-Insect Mesh,no screws visible-separate backplate (round 150mm x150mm)

Chrome Louvred Wall Vent Grille with Flyscreen, Fits 100 mm / 4 in Ducts, Round Ventilation Grille with Flat Back

9" x 9" White Plastic Louvre Air Vent Grille with Flyscreen Cover

9" x 9" White Plastic Louvre Air Vent Grille with Removable Flyscreen Cover

9" x 3" White Plastic Louvre Air Vent Grille with Flyscreen Cover

9" x 6" Brown Plastic Louvre Air Vent Grille with Flyscreen Cover

9" x 3" White Plastic Adjustable Air Vent Grille with Flyscreen Cover

165 x 240 mm Polished Chrome Air Vent Grille with Fly Screen Metal Ventilation Ducting Cover

Buff Louvre Air Vent 6" x 6" Plastic Grille with Removable Flyscreen Cover

Chrome Louvred Wall Vent Grille with Flyscreen, Fits 125 mm / 5 in Ducts, Round Ventilation Grille with Flat Back

Buff Louvre Air Vent 6" x 3" Plastic Grille with Removable Flyscreen Cover

165 x 165 mm Polished Chrome Air Vent Grille with Fly Screen Metal Ventilation Ducting Cover

H-Smart White Louvre Air Vent Plastic Grille with Removable Flyscreen Cover, 166 x 160mm.

250 x 250 mm Polished Chrome Air Vent Grille with Fly Screen Metal Ventilation Ducting Cover

295 x 295 mm Polished Chrome Air Vent Grille with Fly Screen Metal Ventilation Ducting Cover

9" x 9" Brown Plastic Louvre Air Vent Grille with Flyscreen Cover

9" x 6" White Plastic Adjustable Air Vent Grille with Flyscreen Cover

Brown Louvre Air Vent 6" x 6" Plastic Grille with Removable Flyscreen Cover