Lightweight and extremely flexible. Short sections, which are normally unusable, can be joined together to form a continuous length.
For use in conducting extremely cold or hot air where temperatures range from -65F to +550F. Not recommended for negative pressure applications.

CCA-3400 Curtis Superior Aircraft Fuel Drain Valve 1/2 ID | McFarlane Aviation CCA3400
MIL-DTL-6000D-1 Oil and Coolant Aviation Hose MIL 6000 Series 