Double-layer regulating louver is widely applied to air conditioner system as air inlet. It can be Double-layer regulating louver is widely applied to air conditioner system as airinlet. It can be assembled with aluminum alloy air volume regulating valve (herring bone gate) at the backside In addition, air discharges in four sides and it can regulateteh airflow diffusion area to change the reachable distance.

Louver