Proofers

The specially formulated spring-steel skid provides maximum wear and flexibility to the Proofer.  This unique design allows the centrally located, high-velocity water jets to penetrate the obstruction, but not to pass that point unless the pipe is totally cleared.  If the proofer becomes lodged in a root mass or other difficult obstruction, it will collapse the skids and allow it to be easily withdrawn.  The operator can then note the footage at that point on his report so it can be cleared by some other device.

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