Outside Wall Air Vent Grille Cover Gravity Shutters External Ducting
Air vent grille cover designed to cover ventilation exausts outside the building. Grille comes in two sizes to choose from. Ducting cover is flat on it’s back so can cover any ventilation hole up to its own size. Grille is equipped with anti-insects nte and gravity shutters which will protect vent system against back draught.
Specification:
– External dimensions: 150mm x 150mm or 190mm x 190mm;
– Anti-insect net;
– Does not have a back connection – possibility of covering vetilation opening of any size;
– Outside hole assembly by pins, glue and silicone.