Extruded Aluminium Constructed Floor Grilles provide air supply or air return in Air-conditioning ventilating and heating systems. These Floor Grilles are designed with frames with flat frontal face of 16mm, 20mm or 30mm flanges and inner blades of 0 degree, 15 degree, 30 degree or 45 degree deflections. These Floor Grilles are overlapped in side wall or in false ceiling by means of hidden fixing systems. Extruded Aluminium Constructed Floor Grilles are offered in natural aluminium, anodized or powder coated finish to ensure long lasting usage.