Material: Aluminum
Size( W×H) : According to design sizes.
Accessories: D1 Opposed Blade Damper, G3 Volume Extractor.
Features:
Model RH is made of one set of air blades, which are horizontal arrayed.
The angle of airflow can be adjusted.
There are two type of the outer frame edge sizes E: 23 mm ( code 1), 32 mm (code 2).