This easy-to-use Imperial 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.
Construction Materials
The Aluminum are permanently bonded
to a corrosion resistant spring steel wire helix.
Codes / Standards
UL 181 / ULC S-110 / Class 1 Air Connector
Operating Pressure (inches water column)
Positive = 10 inches H²O (2.5 kPa) intermittent
Positive = 6 inches H²O (1.5 kPa) continuous
Negative = 1/2 inches H²O (0.12 kPa)
Velocity (feet per minute)
4,000 f.p.m. (20.3 m/sec)
Operating Temperature Range
@ 6 inches H²O (1.5 kPa) Positive
Minimum = -20°F (-28°C)
Maximum = 140°F (60°C)
@ 2 inches H²O (0.5 kPa) Positive
Minimum = -20°F (-28°C)
Maximum = 180°F (82°C)
@ 1/2 inches H²O (0.12 kPa) Positive
Maximum = 250°F (121°C) intermittent
Available Diameters
3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18 inches
Available Lengths
5, 8, 10, 25 feet
| Item No. | Description |
| APS-0325 | 3" x 25' Connector FOIL UL |
| APS-0405 | 4" x 5' Connector FOIL UL |
| APS-0408 | 4" x 8' Connector FOIL UL |
| APS-0410 | 4" x 10' Connector FOIL UL |
| APS-0425 | 4" x 25' Connector FOIL UL |
| APS-0525 | 5" x 25' Connector FOIL UL |
| APS-0625 | 6" x 25' Connector FOIL UL |
| APS-0725 | 7" x 25' Connector FOIL UL |
| APS-0825 | 8" x 25' Connector FOIL UL |
| APS-0925 | 9" x 25' Connector FOIL UL |
| APS-1025 | 10" x 25' Connector FOIL UL |
| APS-1225 | 12" x 25' Connector FOIL UL |
| APS-1425 | 14" x 25' Connector FOIL UL |
| APS-1625 | 16" x 25' Connector FOIL UL |
| APS-1825 | 18" x 25' Connector FOIL UL |
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