400 x 300 mm, galvanised steel. The air vent is suitable for indoor and outdoor use.
Galvanised Air Vent Grille with Mosquito Net 400 x 300 mm
500x150mm / 20x6" inch Galvanised Metal Air Vent Grille Cover with Insect Mesh
100mm / 4" inch Galvanised Round Metal Air Vent Grille Cover with Insect Mesh...
Ø 160mm / 6" inch Galvanised Round Metal Air Vent Grille Cover with Insect Mesh
200x100mm / 8x4" inch Galvanised Metal Air Vent Grille Cover with Insect Mesh -
Ø 100Mm / 4" Inch Galvanised round Metal Air Vent Grille Cover with Insect Mesh
