Ventilation

Brown Mini Round Air Vent Grille 60mm with Flange and Fly Screen Ventilation Cover

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

Black Louvred Wall Vent Grille with Flyscreen and Screw Covers, 100 mm / 4 in, Air Ventilation Duct Cover with Flat Back

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

Silver Mini Round Air Vent Grille 70mm with Flange and Fly Screen Ventilation Cover