125mm round White Air Vent Grille/Duct Covers with Fly Screen/Anti-Insect Mesh,push fit

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

200 mm / 8 in White Round Air Vent Grille Duct Cover with Fly Screen, Flange and Screw Covers

100 mm / 4 in White Round Air Vent Grille Duct Cover with Fly Screen, Flange and Screw Covers

White Air Vent Grille/duct covers with Fly Screen / Anti-Insect Mesh,no screws visible-separate backplate (125mm round)

White Air Vent Grille/duct covers with Fly Screen / Anti-Insect Mesh,no screws visible-separate backplate (135mm x135mm square)

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

100mm round White Air Vent Grille/Duct Covers with Fly Screen/Anti-Insect Mesh,push fit

White Air Vent Grille/Duct Covers with Fly Screen/Anti-Insect Mesh,no Screws Visible-Separate Backplate (150mm x 150mm round)

150 mm / 6 in White Round Air Vent Grille Duct Cover with Fly Screen, Flange and Screw Covers

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

White Air Vent Grille/duct covers with Fly Screen / Anti-Insect Mesh,no screws visible-separate backplate (100mm x100mm round)

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

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

150mm round White Air Vent Grille/Duct Covers with Fly Screen/Anti-Insect Mesh,push fit

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

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

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

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