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Semi-Rigid Aluminum Air Duct with collar

  • Ideal for general purpose venting applications including bathroom fans and kitchen range hood exhausting
  • Semi-rigid material holds its shape for improved airflow
  • Aluminum is twisted to form a continuous, airtight lock-seam
  • Includes a collar for ease of installation
  • Non-combustible, fire-resistant and corrosion-resistant aluminum construction
  • Class 0 semi-rigid aluminum duct
  • Maximum operating temperature of 435°F
  • Not suitable for dryer venting
Semi-Rigid Aluminum Air Duct with collar

Designed for durability and optimal airflow, this Imperial Semi-Rigid Aluminum Duct with Collar is an ideal choice for kitchen, bathroom, and general purpose exhaust venting applications. The sturdy duct features a collar for ease of installation, and is made entirely of aluminum that is twisted to form a continuous, airtight lock-seam. The Class 0 semi-rigid material is flexible for easy installation, while still holding its shape for improved airflow. For safe use and lasting reliability, the duct is corrosion-resistant, fire-resistant, and non-combustible. It is not suitable for use in clothes dryer venting applications.

Technical Data

Construction Materials
The air duct is made entirely of aluminum that is
twisted to form a continuous airtight lock-seam.

Operating Pressure (inches water column)
Positive = 6 inches H²O (1.5 kPa)
Negative = 6 inches H²O (1.5 kPa)

Operating Temperature Range
Minimum = -20°F (-28°C)
Maximum = 435°F (224°C)

Velocity (feet per minute)
5,000 f.p.m. (25 m/sec)

Surface Burning Characteristics
Maximum Flame Spread = 0
Maximum Smoke Development = 0

Available Diameters
3, 4, 5, 6, 8, 10, 12 inches

Available Lengths
8 feet

Specifications

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45 Years of Quality

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