About This Item:

• UL 181A-P/B-FX listed and printed aluminum foil tape
• Linered
• Airtight performance on rigid fiberglass ductboard and flexible air duct
• Flexible and easy to use
• Superior stability during extreme fluctuations in temperature
• Resists water vapor and other HVAC duct contaminations
• Tested in accordance with UL 723

• Dimensions: 2.5" x 60 yds
• Thickness: 6.8mm