Efficiency Sub render

Efficiency Sub

Hunting’s Efficiency Sub™️ assembly (ESUB) is the affordable plug and play solution for the conventional perforating gun.

Product summary

The ESUB is easily installed into conventional guns, creating field ready plug-and-play perforating assemblies.

ESUB utilizes Hunting’s Shorty ControlFire® Cartridge which houses the switch, detonator, and pressure bulkhead in a convenient wireless package. ESUB allows simple, wire-free arming and perforating gun assembly at the wellsite.


  • Quick and easy installation during gun loading

  • Eliminates wiring between perforating guns in the field

  • Eliminates wiring during arming operations in the field

  • Creates a cost effective, disposable, plug and play perforating system