This easy-to-use Imperial 4-in x 8-ft Flexible Aluminum Foil Air Connector is ideal for bath fan and other general purpose venting applications. It's made from tear- and puncture-resistant 2-ply aluminum foil reinforced with a corrosion-resistant wire helix. This product has been rated as a Class 1 Air Connector under UL 181/ULC-S110 for installation lengths of 14-ft or less. It is not suitable for dryer venting.
Use with bathroom fans and other general purpose venting applications
Tear- and puncture-resistant aluminum foil reinforced with corrosion-resistant wire helix
UL 181/ULC-S110 Class 1 Air Connector
Flexible foil design is easy to install
For installation in lengths not over 14-ft
Suitable for use with heating, ventilation, and air conditioning systems
Not suitable for dryer venting
Maximum operating temperature of 250°F