TOPRISE Flat Type Double Flaps
Aluminum Alloy
Aluminum Alloy with Insulation
Vertical
Heat Insulation, Soundproof, Dust-proof, Smoke Exhaust and Release
Finished
Automatic Driven by Electric Actuator
Daily Ventilation and Skylight, Smoke Ventilation
Anodized or Powder Coating
Less Than 60s
300 Degree
CE En12101-2
Pallet
customized