Double Layer Aluninum Foil HVAC Duct

Materials:
Two layers of aluminum foil reinforced with high tensile spring steel wire
Number of piles is up to customer's requests
Features:
1 Heat and fire resistant: Class B1 (GB8624)
2 Highly flexible and compressible: rate: 10:1
3 Max air velocity: 30M/S
4 Working pressure: 2500Pa
5 Temperature range: -30°C ~+140°C
Applications:
Air conditioning and HVAC system, ventilation system