... type Ingersoll Rand Ingersoll-Rand Portable Air Compressor P1IU-A9, Twin Stack, 2HP, 4.5 Gal Ingersoll Rand Portable Air CompressorLightweight, compact ... on 120 volts so it can be powered easily. Includes twin 4-1/2 gallon air tanks with independent quick connectors ... PSI4.3 Ingersoll-Rand Portable Air Compressor P1IU-A9, Twin StaIngersoll-Rand Portable Air Compressor P1IU-A9, Twin Stack, 2HP, 4.5 Gal