Description

Code Compliance: UL 181, NFPS 90A and 90B, SBCC and BOCA. Manufactured with a tough triple ply metallized polyester, aluminum foil and polyester that encapsulates a steel wire helix and forms an air-tight non-insulated flexible duct. Designed to be used with low to medium operating pressures in HVAC systems. Operating temps ranges from 180°F internal to -20°F external. U.L. approved for heating. Use with 4 inch grills, 25 feet long.
Code Compliance: UL 181, NFPS 90A and 90B, SBCC and BOCA
Manufactured with a tough triple ply metallized polyester, aluminum foil and polyester
Air-tight non-insulated flexible duct
Designed to be used with low to medium operating pressures in HVAC systems
Designed to be used with low to medium operating pressures in HVAC systems