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.
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
| Item No. | Description |
| FX0049 | 3" x 8' Aluminum Flex Pipe WC NI |
| FX0050 | 4" x 8' Aluminum Flex Pipe WC NI |
| FX0052 | 5" x 8' Aluminum Flex Pipe WC NI |
| FX0054 | 6" x 8' Aluminum Flex Pipe WC NI |
| FX0057 | 8" x 8' Aluminum Flex Pipe WC NI |
| FX0060 | 10" x 8' Aluminum Flex Piep WC NI |
| FX0061 | 12" x 8' Aluminum Flex Pipe WC NI |
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