FeaturesTransports air for temperature controlEasily attaches to form longer, continual lengthsLightweight and flexible for simple installation in tight bends and avoiding obstructions in low pressure applicationsInternally-exposed helical wire reinforcementAvailable in black neoprene-coated fiberglass fabric for -40°F to 300°F or orange silicone-coated fiberglass fabric for -80°F to 550°F (both in 3" or 4" diameter, 11' lengths)Made In USA*Not for transferring liquids or linking a turbocharger's boost side to the intake