1.Frame thick:1.1mm.
2.Designed for return air.
3.Anodized or powder coated in white color RAL 9016 or RAL 9010.
4.The blade is curved and fixed with frame.
5.The edge of frame could be orthogonal, the model number is SG-AFH/O.
6.All size can be produce upon request.
7.Fixing with mounting frame SFR