This product is lightweight, retractable and designed for maximum air handling capabilities.
Dual direction flow with minimum friction loss.
CONSTRUCTION:
•Vinyl and polyester materials • Single-ply • PVC coated • Temperature range: -20°F to 180°F (-28.8°C to 82.2°C) • Retractable, non-collapsible design. • Class 1 hard drawn spring steel wire helix • Meets ASTM 227 specs • UL 94V-0 flame retardant • Yellow color with black weather-strip • Fastening cuffs at both ends