100mm (4") Brown Round Grille - Internal or External Use

100mm External Brown Louvered Grille Vent (4" Spigot)

100mm (4") White Round Grille - Internal or External Use

125mm (5") Brown Round Grille - Internal or External Use

125mm (5") White Round Grille - Internal or External Use

White Louvre Air Vent 6" x 3" Plastic Grille for Internal and External Use

White External Vent Cover -100mm Hooded Cowl with Backdraft Shutter Ventilation Grill Plastic Cowled Vent Outlet Grille Hatch

125mm External White Louvered Grille Vent (5" Spigot).