【产品特性】

◆ 调节室内送风、回风质量；                  control coming or out air;  

◆ 通风率按板型可分为23%、20%、40%三种；    23% % % perforated;

◆ 大孔型通风地板框架无尘结构，杜绝灰尘淤积；

the large hole panel use frame structure, prevent dust from pile up;

◆ 洁净车间上送风下回风或上回风下送风的理想配套产品。

  It is good product for coming or out air in the clean workroom.