Space is valuable in todays sport compacts. We designed this pancake tank to stuff away in the spare tire area in the trunk of your car. Features: - (4) 1/2in Ports - (2) 3/8in Ports - (1) 1/4in Port - (1) 1/8in Bottom Port - Dimensions: 8in H x 16in D - D.O.T. Approved - Interior and exterior of this tank is powder coated black to resist rust