Highly flexible and can be easily installed around obstructions and sharp bends. Has less friction loss than similar non-lined ducting.
Ideal for use in conducting extremely cold or hot air at temperatures ranging from -80F to +550F, and for conveying fumes. Not recommended for applications involving liquids or highly abrasive materials, or for negative pressure applications.

RA630365 Rapco Exhaust Gasket for Continental Engines | FAA-PMA Replacement
MOBILJET-II-CASE24 Mobil Jet II Turbine Oil, MIL-PRF-23699, (Case of 24 Quarts) 