JB Industries M4-22225 Standard Brass 4 Valve Manifold features the original free floating dual O-ring sealing system for faster evacuation/charging and surge dampened gauges for reduced needle movement. JB Industries M4-22225 Standard Brass 4 Valve Manifold also features replaceable intake/hose holder fitting for storage, easy turning plastic hand wheels, color coded glow-in-the-dark refrigerant dials and all metal 3-1/8" gauges. This model does NOT include a hose set.