The PRO SOURCE ventilation hose is a lightweight, flexible solution to vent fumes from confied spaces or direct fresh air. Made from flame resistant orange polyvinylchloride (PVC), the portable vent hose is ideal for applications between -40 and 122 degrees F. Convenient D-rings and adjustable ropes at each end allow easy connection for simple attachment to 8 inch blowers. Multiple hoses can be attached to vent longer distances.