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JPL®, PR25B-08, Duct, Insulated, Series: PR-25, 5 in ID, 25 ft Length, R4.2 Insulation Value, 0.1 Perms Vapor Transmission, Positive : 1/Negative : 6 in-WG Pressure, Continuous : -20 - 140/Intermittent : -20 to 200 deg F, Polyester/Polyethylene/Fiberglass/Steel, Black
- 5000 FPM Air Velocity
- Flame Spread Less than 25, Smoke Developed Less than 50 Burning Character
- 4 in Width
- Formaldehyde Free
- 3/8 Oversized core
- Certified R-Values
- 300 in L x 10 in W x 10 in H Dimensions
- 11 lb Weight
- Class 1 Fire Rating