Description
Flexible Air Duct; Type Class
1, Insulated, Plain End;
Insulation Type R-8; 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 3/4 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
12 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