
AIR DUCT ALUMINUM SEMI RIGID 4" X 25'
Part #MFX425X
MFG #MFX425X
- Brand: Dundas JafineAir Velocity: 5000 FPMApplicable Standard: UL 181/2158A, CUL, NFPA 90A/90B, BOCA, ICBO, SBCC, HUD/FHA MINLength: 25 FootTemperature Rating: -100 to 435 Deg FType: Class 0, Semi-Rigid, FlexibleWidth: 4 InchCore Material: AluminumRated Negative Pressure: 12 Inch WCRated Positive Pressure: 12 Inch WC
- The continuous lock seam permits the duct to be pulled open, compressed, bent and re-bent without developing leakage
- It’s thicker than the standard duct and allows for easy rotation and more durable handling