Brand Name: VENTEHC CHINA
Model Number: SCD-VA
Place of Origin: Guangdong, China (Mainland)
Features:
frame is made of high quality aluminum profile
blades are made of aluminum sheet by one piece stamping
core is removable to allow for better installation and maintenance
opposed blade damper optional
color RAL 9010,9016,or Anodized
size: different size, customized made