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G.A.S Flexible Aluminium Ducting is a cost-effective, crimp-resistant solution for hydroponic ventilation. Featuring a high-tensile steel helix and airtight aluminium foil, it ensures reliable airflow for extractor fans and carbon filters. Ideal for hobbyist growers, this durable silver ducting prevents odour leaks in any indoor garden.
Maintain a professional and high-flow ventilation system with G.A.S Flexible Aluminium Ducting. As the industry-standard choice for indoor growers worldwide, this ducting provides a cost-effective, reliable solution for moving air without the high price tag of specialised insulated variants. Built with a high-tensile flexible steel helix, it offers superior crimp resistance, ensuring your duct runs stay open and unobstructed even when navigating tight corners or awkward grow room layouts.
Unlike cheaper unbranded foils, G.A.S Silver Aluminium Ducting is designed for longevity. Its airtight construction is essential for preventing odour leaks, ensuring that all air—and the scents it carries—is directed exactly where it needs to go: through your carbon filter and out of the building. Whether you are setting up your first hobby tent or managing a large-scale facility, this "no-fuss" ducting delivers the durability and performance required for consistent environmental control.
Key Benefits of Flexible Aluminium Ducting
- Cost-Effective Performance: The perfect entry-level choice for novice growers and hobbyists who need professional results on a budget.
- Crimp & Kink Resistant: The internal steel wire spiral ensures the ducting maintains its circular shape, preventing airflow restrictions.
- Airtight Security: Robust aluminium layers prevent air and odours from escaping before they reach your extraction point.
- High Heat Tolerance: Naturally resistant to the high temperatures generated by HPS lighting and high-velocity extraction fans.
- Lightweight & Versatile: Extremely easy to handle and install, making it compatible with almost any inline duct fan or carbon filter on the market.
How to Use
- Plan Your Route: Measure the distance between your fan and the outlet. Keep the run as straight as possible; every sharp bend can reduce your fan’s efficiency by 10% to 20%.
- Cut to Size: Pull the ducting taut. Use sharp scissors to cut the aluminium foil and wire snips or pliers to cut through the internal steel wire helix.
- Attach to Flange: Slide the ducting over the flange of your extractor fan, carbon filter, or air-cooled reflector.
- Seal the Join: For a 100% airtight seal, first wrap the connection with Aluminium Duct Tape.
- Secure with Clips: Finish by tightening a Jubilee Clip or Ducting Clip over the taped join. This prevents the ducting from slipping off due to fan vibration or high air pressure.
Please note: Brand may differ but will be of the same or better quality.
Frequently Asked Questions
Is aluminium ducting light-proof?
While silver aluminium ducting is excellent for airflow, it can sometimes allow a small amount of light to pass through the thin foil or glow when placed near high-intensity grow lights. For 100% light-proofing, we recommend G.A.S Black Combi Ducting.Can I use this ducting for my intake and extraction?
Yes. It is suitable for both intake and extraction. However, be aware that in winter, uninsulated aluminium can develop condensation if cold intake air meets a warm grow room. In those cases, insulated ducting may be a better choice.How do I stop my aluminium ducting from whistling?
Whistling is usually caused by air escaping through a small gap or the ducting being "scrunched" up. Ensure the ducting is pulled tight and that all joins are sealed with tape and secured with clips to eliminate noise.Does the length of the ducting affect my fan's power?
Yes. The longer the ducting and the more bends it has, the harder your fan has to work. To maintain maximum airflow, keep your runs as short and straight as possible.SKU: 1014Material: High-grade Aluminium Foil with Steel Wire Helix
Type: Single-walled Flexible Ducting
Diameters Available: 102mm, 127mm, 152mm, 203mm, 254mm, 315mm
Lengths Available: 5 Metre and 10 Metre boxes
Compatibility: Standard circular hydroponic fans and filters
Resistance: Crimp, Kink, and Heat ResistantPlease note: Brand may differ but will be of the same or better quality.
Free delivery on orders over £60*
- UK Mainland onlyStandard Delivery £4.95
- Heavy / Large item surcharge £2 per item
- 1-3 Days**
- UK Mainland onlyExpress Delivery £8.95*
- Next Working Day**
- UK Mainland onlyScottish Highlands £15.95*
- 2-5 Days***Can not be used with Heavy / Large items
**If ordered on a working day before 2pm cut off (Saturday and Sunday are not classed as working days).Please See Delivery and Returns page for more details.