1.Frame thick: 1.1mm.
2.Designed for return grille.
3.Anodized or powder coated white,colour RAL9010,RAL9016.
4.The blade is fixed by wire and adjust from 0-180 degree, control the airflow direction.
5.Fixing with mounting frame SFR.
6.The inner frame could be taken off.
7.All sizes can be produced upon request.