old fexibile exchaust tube -close-up

abstract aeration air alloy aluminum architecture background building cable ceiling chrome circulation climate closeup cold conditioner conditioning construction cool cooling design distribution duct ducting ductwork energy engineering environment exhaust factory flow foil fresh hanging heat high hose house hvac indoor industrial industry infrastructure inside installation interior manufacturing mechanical metal metallic modern new office pipe pipeline pipes piping pressure repair round shiny stack steel structure system technology temperature tube vent ventilate ventilation ventilator warehouse white work