Viair 20015 Onboard Air System<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>2-gallon air tank</li><li>Dual 400C compressors</li><li>150 PSI maximum working pressure and 33% duty cycle</li><li>For up to 40-inch tires</li><li>Includes all parts needed for a working system capable of inflating tires， managing air locking differentials， and more</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ZLkbh-PhL.jpg" noproxy>