AVS 2-GALLON ALUMINUM AIR TANK WITH 5 PORTS-BLACK!! FREE DRAIN PORT FITTING !!Limited on space? This tank is your solution! Very low-profile at only 4" DIAMETER. Ideal mounting locations are under the cab behind the rocker panels, behind bumpers, stacked and hidden behind a panel in your trunk, etc. This includes mounting brackets, so you can come up with your own crazy mounting scheme, or use our "Hidden Mounting System" mounting holes. Approximately 4” x 37” with (3) 1/4” PORTS AND (2) 3/8" PORTS (5.125" TALL WITH MOUNTING BRACKETS)COLOR: BLACKFREE DRAINCOCK FITTING !!WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.