Adjustment Knob
Coleman Sanborn Oil-Bath Electric Air Compressor Parts

Found under the following brands:
A1 Coupling & Hose, Popular Brands, ProForce, Coleman Powermate Sanborn, Craftsman, Industrial Air, Kobalt, Morgan, Porter Cable, Task Force
This part is available in the following kits
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Regulator Knob Repair Kit
Price: Originally: $97.66 $78.13
Only available in the SquareOvhKit.