A100 A-Seam™ Thermofin® Stretch Fit™

The A100 A-Seam™ Stretch Fit™ Air Duct is a semi-rigid flexible aluminum pipe Class 0 air duct used as supply, return or exhaust. The patent-pending design allows extreme compression without making it harder to pull it back out for installation. Design allows for tightest compression available in a 100% aluminum duct WITHOUT making it harder to pull the duct out for installation.