Specifications:

• Shape: ROUND
• Origin: CN(Origin)
• Materials: PVC+Aluminum Foil
• Material: aluminium alloy
• Feature 4: Acid corrosion resistance
• Feature 3: Friction resistance
• Feature 2: High flexibility
• Feature 1: 360° and freely stretched
• Draining 2: Dust, high-temperature gas, powder
• Draining 1: Smoke, moisture
• Diameter: 15cm/6" ;13cm/5"
• Application 4: Ventilation of other electrical equipment
• Application 3: Exhaust fans
• Application 2: Range hoods
• Application 1: Industrial ventilation
• Certification: NONE