Blow Down Sub 4.5"

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Blow Down Sub 4.5"
This product can be used in the following Reverse Circulation systems:
RC Tricone System Conventional RC System 
Tri-Cone RC System Conventional RC System


RC 4.5in Blow Down Sub .With Inner Tube, 4-1/2in A blow down sub used, when you need to clear the inner tube sample blockage. It’s placed at the top of the rod string disconnected from the top drive head.

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