
Material — Galvanized Steel
Duct Accessories
Flex Duct Connectors
Galvanized steel flex duct connectors (monkey buckle / draw band) for joining flexible ducts to rigid fittings. Quick-install design with worm-gear clamp mechanism.
- 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
- Galvanized steel construction
- Quick-install worm-gear clamp
- Secure airtight connection
- Compatible with all flex duct sizes
Technical specifications
| Material | Galvanized steel |
|---|---|
| Type | Worm-gear clamp / Draw band |
| Diameter Range | 4" – 20" (100mm – 500mm) |
| Finish | Zinc-plated galvanized |
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 Flex Duct Connectors
Tell us your requirements. We respond within 24 hours on business days.
FAQ
Flex Duct Connectors — FAQ
What is the MOQ for the Flex Duct Connectors?
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 Flex Duct Connectors?
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 Flex Duct Connectors 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 Flex Duct Connectors?
Standard sizes range from 4" – 20" (100mm – 500mm). 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 Flex Duct Connectors 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.



