1 Single layer of aluminum foil with steel wire helix reinforced
2 Flame retardant,flexible ventilation hose
3 For air ducting

Single layer aluminum foil ventiltation hose 

Material:

Single layers of aluminum foil reinforced with high tensile spring steel wire

Number of piles is up to customers’ 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