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.

LW16775 Tempest Overhauled Aviation Aircraft Fuel Pump for Lycoming® Engines | Low Pressure 4 ~ 6 PSI | Ports Reversed | FAA-PMA | Aero Accessories, Inc.
RA1D2-12 Rapco New Airborne Fuel Pump 