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4 Inch Flexible Aluminum Exhaust Duct | 100mm Ventilation Hose
4 Inch Flexible Aluminum Exhaust Duct | 100mm Ventilation Hose
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4 Inch Flexible Aluminum Ventilation Duct – 100mm Exhaust Hose
Keep your air flowing efficiently with this heavy-duty 4 inch (100mm) flexible aluminum exhaust duct. Built from double-layer aluminum foil with a reinforced steel wire core, this ventilation hose is engineered for long-lasting performance in a wide range of applications — from bathroom exhaust fans and kitchen range hoods to HVAC systems, grow tents, greenhouses, and more.
Key Features
- Double-Layer Aluminum Foil Construction – Provides superior durability, high-temperature resistance, and corrosion resistance for lasting performance.
- Steel Wire Reinforcement – Internal steel wire spiral keeps the duct shape stable under pressure and prevents kinking or collapsing.
- Wide Temperature Range – Rated for use between -30°C and 100°C (-22°F to 212°F), making it suitable for both heating and cooling ventilation systems.
- High Airflow Capacity – Supports airflow speeds up to 30 m/s and withstands up to 2,500 Pa of pressure, ideal for demanding ventilation setups.
- Flexible & Easy to Install – Fully flexible design bends around corners and tight spaces, making routing through walls, ceilings, and cabinets simple and hassle-free.
- Versatile Application – Perfect for bathrooms, kitchens, grow rooms, greenhouses, HVAC systems, air conditioners, dryers, and more.
Specifications
| Diameter | 100mm / 4 Inch |
| Length | 1.5 m |
| Material | Double-Layer Aluminum Foil with Steel Wire Core |
| Temperature Range | -30°C to 100°C (-22°F to 212°F) |
| Max Airflow Speed | 30 m/s |
| Max Pressure | 2,500 Pa |
What's in the Box?
- 1 × Flexible Aluminum Ventilation Duct (100mm / 4 inch, 1.5m)
Made in Mainland China.
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Helpful Resource
For guidance on proper ventilation standards and indoor air quality, visit the U.S. EPA Indoor Air Quality Resource.
Frequently Asked Questions
Q: What is the diameter of this flexible exhaust duct?
A: This ventilation duct has a diameter of 100mm (4 inches), making it compatible with standard 4-inch exhaust fans, inline fans, and HVAC fittings commonly used in bathrooms, kitchens, and grow rooms.
Q: How long is the flexible aluminum duct?
A: The duct is 1.5 metres long. Its flexible design allows it to be routed around bends, corners, and tight spaces for easy installation in a variety of setups.
Q: Can this duct handle high temperatures?
A: Yes. The double-layer aluminum foil construction is rated for temperatures between -30°C and 100°C (-22°F to 212°F), making it suitable for use with heating ventilation, air conditioning, and kitchen exhaust applications.
Q: Is this duct suitable for grow tents or greenhouses?
A: Absolutely. This flexible aluminum exhaust duct is widely used in grow tents, greenhouses, and indoor growing setups to efficiently manage airflow, humidity, and temperature control.
Q: Is the duct easy to connect to an existing fan or vent system?
A: Yes. The standard 4-inch (100mm) diameter fits most off-the-shelf inline fans, exhaust fans, and vent fittings. Simply slide the duct over the connector and secure with a clamp or tape for an airtight fit.
