The MULTI-PAK™ features 1-piece steel construction with a fold-down handle, rear hose rack, low pressure alarm whistle, in-line check valves, 8" wheels, and inlet and outlet pressure gauges. Its standard 2-outlet manifold that is expandable to 4 outlets. Available in 2400 psi with wrench-tightened nuts (no bleed valves) or 4500 psi with hand-tightened nuts and bleed valves. Measures 35" H x 21" W x 15.25" D. (Cylinders not included.)