This ducting is designed for return air in temporary ducting systems. For use with air movement, air conditioning and dehumidification. PVC polyester has excellent UV resistance. Large pitch allows for significant compression and flexibility. Meets flame resistant UL94VTM-O, California Fire Marshal, and NFPA701 specifications
Tube: PVC Polyester
Helix: STEEL
Temperature: -20°F to 180°F