This on-board system is specifically designed for air suspension but can also be used with any high-pressure air horn or power tool that requires an on-board air system. Comes with a 5 Gallon steel air tank featuring 9 air ports, two 200 PSI heavy duty black color air compressors with remote filter kits, pressure switch, water traps with couplings, drain valve, heavy duty 40A relays with pre-wired plugs, 60A in-line fuse with waterproof holder, 40A in-line fuses and mounting hardware. This system will set your vehicle above the rest.    Air Compressors  200 PSI Air Compressor Black (Dual Pack)  12V Permanent Magnetic Motor  Duty Cycle: 100% @ 100 PSI  3/8" NPT Stainless Steel Braided Leader Hose with 3/8" NPT Check Valve  Intake Air Filter Remote Installation Kit with 10 FT Hose x 2  40A 4-PIN Relay with Pre-wired Plug x 2  60A In-line Fuse with Waterproof Holder x 1  40A In-line Fuse with Waterproof Holder x 2  Mounting Hardware Included  Dimensions: 13-¾" L x 4" W x 6-¾" H     Air Tank  5 Gallon Steel Air Tank  Capacity: 5 Gallon (18 Liter)  Pressure Rating: 200 PSI  9 Ports: 4 x ½" NPT, 2 x 3/8" NPT, 3 x ¼" NPT  Included with this kit:     5 Gallon Steel Air Tank   170-200 PSI Pressure Switch   3/8" NPT In-line Aluminum Air Filter (Water Trap) x 2   3/8" NPT Male Straight Coupling x 2   ¼" NPT Wing Style Drain Valve   Mounting Hardware      Dimensions: 30" L x 8-¾" H, 7" Dia