GAST Electric Vacuum Pump Air Compressor 12 Gallon 100 PSI 3HBB-11T-M300X. The item “GAST Electric Vacuum Pump Air Compressor 12 Gallon 100 PSI 3HBB-11T-M300X” is in sale since Tuesday, May 31, 2016. This item is in the category “Business & Industrial\Light Equipment & Tools\Air Compressors”. The seller is “amy9930″ and…