Type: 3H kits with raw aluminum tanksHeight + Pressure: Includes manifold, controller, wiring harness, water trap, height sensors and mobile app that works on iPhone and Android.We asked ourselves: what would the definitive air suspension be like? How would you combine an easy-to-use, reliable, feature-rich system with powerful technology and beautiful design? Air Lift Performance 3H is the result of three years of development and testing. It is the most advanced product we have created. Air Lift Performance 3H combines pressure-based control with ride height sensing technology. While both types of air management have been used before, this is the first product to harness the benefits of both systems: instantly improving suspension control, performance and driving flexibility in the vehicle. This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.3H (1/4" air line, 5 gallon tank, VIAIR 444C compressor)Air Lift Performance 3H combines pressure-based control with ride height sensing technology. 3H/3P Digital Controller5 Gallon Lightweight Aluminum Air Tank in Raw FinishVIAIR 444C Air CompressorDimension: 37 x 22 x 19.38 inchWeight: 40 lbs