Description
Flexible Air Duct; Type Class
1, Insulated, Plain End;
Insulation Type R-4.2;
Burning Character Maximum
Flame Spread Less than 25,
Maximum Smoke Developed Less
than 50; Air Velocity 5000
Foot per Minute; Rated
Positive Pressure 12 Inch WC;
Rated Negative Pressure 1/2
Inch WC; Jacket Material
Silver Metalized Polyester
Reinforced with Fiberglass
Scrim; Core Material Black
2-Ply Polyester Film
Encapsulated Steel Wire
Helix; Length 25 Foot; Width
18 Inch; Temperature Rating
-20 to 140 Deg F
(Continuous), -20 to 250 Deg
F (Intermittent); Applicable
Standard UL 181, NFPA
90A/90B, HUD, IMC, UMC, ADC,
GREENGUARD; Perm Rating 0.04;
Application Residential;
Packaging Type Boxed