The Deflecto Semi-Rigid 4in x 5″ Aluminum Duct For General Venting is a durable option for your venting project. It is semi-rigged so it wonT sag or bunch, but it is also flexible for easy installation.
- Class 0 air duct with non-crimped ends.
- Made of aluminum to prevent sagging and bunching up.
- Flexible design for simple installation.
- Fire-resistant for safe use.
- Max velocity of 5,000 FPM.
- Operating temperature range from -100 deg.F to 430 deg.F.
- Backed by the manufacturers 90-day limited warranty.



