Class 1 HVAC Air Duct - 25' x 20", 5000 FPM, R-6.0

744255 MFG #: 051334
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  • FEATURES BENEFITS
  • LONG DESCRIPTION
Greenguard Level 4 Highly Microbial Resistant
HVAC Air Duct; Type Class 1; Insulation Type R-6; Burning Character Flame Spread 25, Smoke Developed 50; Air Velocity 5000 FPM; Rated Positive Pressure 12 Inch WC per UL 181; Rated Negative Pressure 3/4 Inch, 1/2 Inch WC per UL 181; Jacket Material Polyester/Metal; Core Material Polyester; Length 25 Foot; Width 20 Inch; Temperature Rating -20 to 250 Deg F (Intermittent), -20 to 140 Deg F (Continuous); Applicable Standard UL 181, NFPA 90A/B, HUD, IMC, UMC, CHPS; Vapor Barrier Perm Rating 0.04 Perm per ASTM A96