1.Frame thick: 1.2mm.

2.Designed for variable air volume systems.

3.The round blades is black and the frame powder coated white or anodized.

4.Both the directions and volume of the discharged air can be sdjusted by moving the pattern controllers, which can set vertical, level, or oblique air current.

5.Available with 1-6 slots.

6.Special design can avoide condensation.