Material: Standard products is made of galvanized sheet. Also we can use stainless steel and aluminum.
Size: Size can be adjusted as customers' requirements.

Character and Function:
1. Used in square air duct to adjust and separate the air flow.
2. With patent in outer frame, whole in punching (only one connecting slot), more consolidated.
3. The design of bisecting blade, decrease the resistance of air, easy to adjust.
4. Working art of galvanized sheet profile connecting is from Germany.
5. Flange design based on TDF air duct, easy for installation.
6. Can be adapted with manual and motorized actuator.