New DIRTY AIR compact 4-valve manifold. Normally used to control the lift and dump functions for front and rear air suspension systems. 1/8"NPT ports, overall dimensions 2.50" length x 2.19" width x 2.07" height. Valve unit is sold bare without fittings for $299.99, select optional fittings in drop-down menu above. Each output has 2 ports for mounting/plumbing flexibility, plugs are included for unused ports. Each output has it's own exhaust (OUT) port, so with the addition of a flow control valve, you can slow down the front and rear exhaust separately. Approximately 48" wire leads.