Material: Aluminum anode treatment (a)

Size: Custom size According to customer requirements (WXH)

Characteristics：

Both the tube body and the blade are made of aluminum sheet material with light quality.

Using the AUM switch to rotate the blades, can adjust any angle to control the air volume.

The blade and the frame surface rotate axle is equipped with rust steel connecting piece to windproof leakage.

The AUM switch is geared to facilitate fine-tuned airflow.

The large air damper is divided into compartments and reinforced.