4 inch x 25 foot UL 181 Class 1 Non-Insulated HVAC Air Connector – 3 Layer – Item #614UL-12
$90.00
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$90.00
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by www.verifydependents.com
Free 30-day returns Details
Product details
| Management number | 213615330 | Release Date | 2026/04/12 | List Price | $36.00 | Model Number | 213615330 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
The Lambro 4-inch by 25-foot UL 181 Class 1 certified, non-insulated air connector, suitable for HVAC systems operating at low to medium pressure and exhaust applications. Manufactured with layers of aluminum/polyester and metalized/polyester, bound by a fire-resistant adhesive enduring up to 250F. A galvanized wire helix reinforces the duct, preventing collapse. While it's 25 feet long, it's recommended not to install it in lengths over 14 feet, but it can be cut to size. Ensure you check local building codes before installation.
- UL 181 Class 1 Certified Duct: Meets safety standards
- Installation Length Limit: Maximum 14 feet
- Temperature Limit: Up to 250F
- Ideal Use: Bathroom exhaust ventilation
- Construction: Aluminum/polyester and metalized/polyester layers
- Additional Support: Galvanized helix wire
- Ease of Installation: Flexible design
- Prohibited Use: Not for clothes dryer installations
- Clamps Not Included: Purchase separately for installation
| Color | Silver |
|---|---|
| Brand Name | Lambro |
| Manufacturer | Lambro |
| Material Type | Aluminum, Polyester |
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