Material: Galvanized Steel Sheet
Size (L): Complying to light troffer sizes
Features:
Bellows size combine with illumination light troffer diffusers, and the norm & the brand of factroy must be stated clearly.
The diffusers incorporated blade pattern controller for adjustment of air flow pattern & volume control.
There are two type of insulation to choice, external and internationl insulation.
Having the certification of ISO9001:2008
Having the certification of ISO9001:2008