The e-Level™ TouchPad™ Air Management Package combines all of the highest quality components available to control your Air Springs in one easy to order part number. This kit includes our top-of-the-line e-Level™ Controller with TouchPad™ interface, VU4 4-Corner Valve Manifold, 3-gallon Aluminum Air Tank, Serviceable Aluminum Air Filter, 3/8" D.O.T. Approved Plumbing Kit, and the most detailed Installation & Operation Manuals on the market.