
Material — Aluminum Foil + Steel Wire
Flexible Ducts
Aluminum Flexible Duct
Multi-ply aluminum foil flexible duct with galvanized steel wire helix. The industry standard for residential and light commercial HVAC installations. Excellent for supply and return air distribution.
- In stock — ships in 1–15 days
- UL 181 Class 1 standard
- 30 years in HVAC duct
- Houston, TX — 5,000 m²
- FTL / LTL freight available
Key features
- Multi-ply aluminum foil construction
- Galvanized steel wire helix core
- Temperature range: -20°C to +120°C (-4°F to +248°F)
- Smooth inner wall for reduced friction loss
- Fire-resistant per UL 181
- Available in 3" to 24" diameters
Technical specifications
| Material | Multi-ply aluminum foil |
|---|---|
| Core | Galvanized steel wire helix |
| Diameter Range | 3" – 24" (75mm – 600mm) |
| Temperature Range | -20°C to +120°C (-4°F to +248°F) |
| Standard Length | 25 ft (7.6m) |
| Color | Silver |
| Max Velocity | 5,000 fpm |
| Max Pressure | 10" W.G. positive / 1" W.G. negative |
| Compliance | Complies with UL181 Standard |
Business terms
| MOQ | 100 pcs (stock items no minimum) |
|---|---|
| Samples | Available on request |
| Lead time | In-stock: 1–15 days / Custom: 30–45 days |
| Payment | Net 30, credit card, wire transfer |
| Shipping | FOB Houston, TX — nationwide delivery |
Request a quote for Aluminum Flexible Duct
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FAQ
Aluminum Flexible Duct — FAQ
What is the MOQ for the Aluminum Flexible Duct?
Standard catalog items are available in small quantities with no minimum order. Custom or private label orders typically require 500–1,000 pieces depending on customization level. We carry this product in our 5,000 m² factory in Houston, TX (Greater Houston area). Contact us for pricing.
How fast can I get the Aluminum Flexible Duct?
In-stock items ship within 1–15 business days from our 5,000 m² factory at Dongyang, China & Houston, TX. Custom or OEM orders require 30-45 days. We respond to quote requests within 24 hours.
Can I get the Aluminum Flexible Duct with my own branding?
Yes. We offer full private label services including custom printing, packaging, labeling, and product modifications. With 28 years of manufacturing experience and 6 self-designed production lines, we can accommodate most custom requirements. Share your branding specs for a quote.
What sizes are available for the Aluminum Flexible Duct?
Standard sizes range from 3" – 24" (75mm – 600mm). Standard lengths are 25 ft (7.6m). Custom diameters from 1" to 48" and custom lengths are available. We manufacture on our own equipment, so non-standard sizes are no problem. Contact us with your specifications.
What certifications does the Aluminum Flexible Duct have?
Our products are RoHS compliant and manufactured to meet UL 181 Class 1 air duct standards. We are one of only 3 factories in China pursuing UL listing for flexible ducts. All products undergo in-process quality inspection and pre-shipment testing.




