Pro Tools - How to Remove "RUMBLE" from CMB 1.106B Isolation booth recordings

You have a nice booth, a nice mic, and nice software...so why is there noise? Because you're right next to Guadalupe, a very busy street and down the hall from some very big and loud HVAC building equipment. Fortunately, the tools to fix this are available.
Select your audio segment by double clicking with the region selector. The segment should turn dark like this.
Next go to the AudioSuite menu, choose, Noise Reduction, then choose iZotope RX 4 Connect	x
Click Send
RX4 Advanced will open with your audio segment loaded into it
Choose this tool, so you can draw a box around the problem area
Select the Low Rumble without selecting the audio you want
Choose Denoise
Click Learn
Double click the waveform behind the Denoise dialog box, it should turn a milky white so that you can apply this learned noise reduction to the whole segment.
Click Process back in the Denoise dialog box
Click Process again Close the Denoise Dialog box
Click "Send Back"
Click RENDER
You will not only hear a difference, you should also see one too	Before After