... Portable Air Compressor P1IU-A9, Twin Stack, 2HP, 4.5 Gal Ingersoll Rand Portable Air CompressorLightweight, compact design makes portability easy ... so it can be powered easily. Includes twin 4-1/2 gallon air tanks with independent quick connectors to run ... . Measures 21"L x 15"W x 17"H. 1 Year Limited Warranty. Includes 2 pints of compressor oil. ... Air Compressor P1IU-A9, Twin Stack, 2HP, 4.5 Gal