◆材质：镀锌板

◆规格尺寸：W*H配合风管或风口尺寸

◆特性：

1.叶片为人字形开启方式，可调节任意角度，且自锁性好。

2.叶片最长尺寸为500mm，超过时采用多个拼接。

◆Material: galvanized sheet

◆Specification size: W*H with air duct or tuyere size

◆Features:

1. The blade is a herringbone opening mode, which can adjust any angle and has good self-locking property.

2. The maximum size is 600*600, and multiple stitching is used when it exceeds.