HVAC Air Connector
The Lambro 3-inch x 25-foot UL 181 Class 1 certified and marked non-Insulated air connector utilized in the HVAC sector for supply and return in systems operating at low to medium pressure, as well as for exhaust applications.
The manufacturer process constructs this air connector from a layer of aluminum/polyester and metalized/polyester material bound together with a fire retardant adhesive that can withstand a maximum operating temperature of 250°F. A galvanized wire helix supports the duct, preventing it from collapsing.
Per the UL 181 Class 1 guidelines, you should refrain from installing this duct in lengths exceeding 14 feet. However, you’ll be able to cut it to the required size.
Make sure to check local building codes before installation.
Product features and benefits:
- UL 181 class 1 certified marked and listed duct
- Do not install in lengths greater than 14 feet
- Maximum operating temperature of 250°F
- Ideal for bath fan exhaust ventilation applications
- Constructed with a layer of aluminum/polyester and metalized/polyester material
- Galvanized helix wire construction for additional support
- Flexible design for easier installation
- Do not use for clothes dryer installations
- Installation clamps (not included)
Product Contains:
(1) – 3-inch x 25-foot UL 181 class 1 air connector
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413UL-R (Retail Polybag Insert)
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