... Ingersoll-Rand Portable Air Compressor P1IU-A9, Twin Stack, 2HP, 4.5 Gal Ingersoll Rand Portable Air CompressorLightweight, compact design makes portability ... it can be powered easily. Includes twin 4-1/2 gallon air tanks with independent quick connectors to run multiple tools, oil ... StaIngersoll-Rand Portable Air Compressor P1IU-A9, Twin Stack, 2HP, 4.5 Gal