It is a different version of the 722 tube but with a lower temperature tolerance.

Application         : Oil  petroleum-based hydraulics and lubricating oils.

Inner tube     : Synthetic rubber.

Reinforced             : Four layers  spiral steel.

Bark                 : Synthetic rubber, according to MSHA standards.

Temperature range  : -70°F to +212ºF(-57ºC to +100ºC).

Press head           : Series 43 :  size -6 to -20.

                     Series  71 :  size -24.