H&C Flex 20" x 25' R-4.2
Insulated Flex Duct

Product #: F214/20

Volume: 7.5

Description

Air Duct; Type Class 1, Flexible; Insulation Type R-4.2; Burning Character Flame Spread Less than 25, Smoke Developed Less than 50; Air Velocity 5000 FPM; Rated Positive Pressure 12 Inch WC Positive per UL 181; Rated Negative Pressure 3/4 Inch WC Negative per UL 181; Jacket Material Metalized Polyester; Core Material 2-Ply Black Polyester; Length 25 Foot; Width 20 Inch (Diameter); Temperature Rating -20 to 250 Deg F (Intermittent), -20 to 140 Deg F (Continuous); Applicable Standard UL 181, UMC, NFPA 90A/90B, IMC, HUD, CHPS, GREENGUARD, ADC; Application Residential and Light Commercial; Packaging Type Boxed; Perm Rating 0.04

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