1. It is designed to provide excellent directional performance typically in 4 way airfow pattern

2. It is easy for installation with its removable core or OBD if needed

3. It also provides options for 1,2&3 way airfow patterns

4. It is make form Aluminium, Frame have punched in corners,in addition to weld joints,Welded blade core.

5. The core is removable with safety cord/chain under

6.Opposite Blade Damper is for optional.

Features:

Made of high quality extruded aluminum

Blades in three types 0 degree,15 degree,30 degree

Color RAl9010,RAL9016,Anodized.

Other sizes are available