|Made of high quality plastic (ABS plastic or polystyrene).
Special aerodynamic disk valve design ensures uniform air distribution.
Smooth air pass regulation due to rotation of central part of the damper.
The grilles are installed as the last element of the ventilation and can be used both for direct air expulsion and in combination with the ventilation ducts in an exhaust air system. They are installed on the exterior sides of buildings, basements, kitchens, etc.Easy mounting with spacing lugs and mounting flange with a lock ring.The internal part has a sealing ring for more tight fit.
Vents and aerators.
Mention 800buildingmaterials when calling supplier to get a BEST DEALS