DESCRIPTION • Frame thick: 1.1mm • Designed for return air. • Anodized or powder coated in white color. • The blade is curved and fixed with frame. • The edge of frame could be orthogonal, the model number is SG-AFH/O. • All size can be produce upon request. • Fixing with mounting frame SFR. INTRODUCTION Ningbo Xiangbo Machinery Co., Ltd. is specializedin handling the export and import business in manufacturing field. We have our own professional manufacturer with 50 million annual turnovers which is established in 2006, covering 15,000 square meters with over 150 productions and testing equipments.