JPL MHP25R8B-12 12"X25' R8 SILVER

[ "Air Duct", "Type Insulated, Class 1, Flexible", "Insulation Type R8", "Burning Character Flame Spread Less than 25, Smoke Developed Less than 50", "Air Velocity 5000 FPM", "Rated Positive Pressure 6 Inch WG", "Rated Negative Pressure 1/2 Inch WG", "Core Material Airtight 2-Ply Black Pigmented Polyester (Inner)", "Length 25 Foot", "Temperature Rating -20 to 140 Deg F (Continuous), -20 to 200 Deg F (Intermittent)", "Applicable Standard UL 181, ADC, ASTM E96A-94, NFPA 90A/90B, IMC, UMC", "Size 12 Inch Diameter", "Inner Core Size 3/8 Inch", "Vapor Barrier 2-Ply Reinforced Metalized Polyester", "End Treatment Raw Ended" ]