This product is designed to be both light in weight and retractable, optimized for superior air handling efficiency. It facilitates air flow in both directions with minimal friction loss.
Features
- 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