◆材质：铝合金型材

◆规格尺寸：W*H尺寸可依据设计制造

◆特性：

1.叶片呈A型纵向排列，除应用于回风系统外，兼具有遮光之效果，适用于一般暗房，电影院等须阻隔光线之场合。

2.外框及叶片，组合牢固，其结构强度较优于其它之回风口。

表面处理：静电喷塑

外框边宽尺寸E有2种：23mm,32mm

当E=23时，h=40，面尺寸=颈尺寸+37

当E=32时，h=50，面尺寸=颈尺寸+54

◆Material: aluminum alloy profile

◆Size: W*H size can be designed and manufactured

◆Characteristic:

1. The blades are arranged in the A-type longitudinal direction. In addition to the return air system, they also have the effect of shading. They are suitable for general darkrooms, cinemas, etc. where light should be blocked.

2. The outer frame and the blade are firmly combined, and the structural strength is better than other return air outlets.

Surface treatment: electrostatic spray