4 Inch Flexible Aluminum Exhaust Duct | 100mm Ventilation Hose
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.
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
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We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.