1. Product name: Round ceiling diffuser
2. Model No. FK004
3. Material: Aluminum
4. Surface finish: Powder coating. Mill finish, anodized finish... is required
5. Color: RAL9016 white. Any RAL color is required
6. Size: From 80mm to 450mm for neck DIA
7. Fixed inner core
8. Back with round volume control damper is available
9. Turning inner core adjusting the VCD in back
10. Easy operation than old style with screwdriver
11. Material thickness: 1.0mm
12. Solid construction
13. Sample is available