Lambro 6 inch x 25 foot UL 181 Class 1 Non-Insulated HVAC Air Connector – 5 Layer – Item #416UL-6

The Lambro 6-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.

HVAC Air Connector

The Lambro 6-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 multiple layers of aluminum/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:

• Bulk pack
• 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 multiple layers of aluminum/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) – 6-inch x 25-foot UL 181 class 1 air connector