Brookshire, TX 77423·46,000 sq ft in stock·Ships 1–15 business days
[email protected]·+1-346-827-6702
USFlexDuct
Non-Insulated Flexible Air Duct
Polyester Film + Steel Wire
Flexible Ducts

Non-Insulated Flexible Air Duct

Non-insulated flexible air duct engineered for all positive-pressure supply and return air HVAC systems. Featuring a spiral galvanized steel wire core with a durable, abrasion-resistant outer layer and smooth crimped ends for fast, airtight connections. Manufactured at our Houston, TX facility with proprietary production processes — delivering exceptional flexibility, easy installation, and reliable long-term performance for both residential and commercial applications.

In Stock — Ships 1–15 Days
UL 181 Class 1 Standard
30 Years in HVAC Duct
Houston, TX — 46,000 sq ft
FTL / LTL Freight Available
  • Designed for supply and return air systems
  • High flexibility — bends to fit complex installation spaces
  • Spiral galvanized steel wire support core
  • Abrasion-resistant outer layer for durability
  • Smooth crimped ends for quick, secure connections
  • Fast installation — saves labor time
  • Made in Houston, TX — fast domestic delivery
  • Exclusive manufacturing capability — proprietary production process

Technical Specifications

MaterialMulti-layer polyester film with aluminum coating
CoreGalvanized steel wire helix
Outer LayerAbrasion-resistant reinforced polymer
End FinishSmooth crimped ends for airtight connection
Diameter Range4" – 24" (100mm – 600mm)
Temperature Range-20°C to +120°C (-4°F to +248°F)
Standard Length25 ft (7.6m)
Max Velocity5,000 fpm
Max Pressure10" W.G. positive / 1" W.G. negative
ManufacturingMade in Houston, TX, USA
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Non-Insulated Flexible Air Duct — FAQ

What is the MOQ for the Non-Insulated Flexible Air 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 46,000 sq ft warehouse in Brookshire, TX (Greater Houston area). Contact us for pricing.
How fast can I get the Non-Insulated Flexible Air Duct?
In-stock items ship within 1–15 business days from our 46,000 sq ft warehouse at 2706 Twinwood Business Drive East, Brookshire, TX 77423. Custom or OEM orders require 30-45 days. We respond to quote requests within 24 hours.
Can I get the Non-Insulated Flexible Air Duct with my own branding?
Yes. We offer full private label services including custom printing, packaging, labeling, and product modifications. With 30 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 Non-Insulated Flexible Air Duct?
Standard sizes range from 4" – 24" (100mm – 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 Non-Insulated Flexible Air 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.