JB Industries M2-8-410AB 2-Valve Brass Charging Manifold is designed with a free floating dual O-ring sealing system for fast evacuation/charging in addition to surge dampened gauges to reduce unnecessary needle movement. The JB Industries M2-8-410AB features compatibility with R-22, R-404A, R410A refrigerants, color coded refrigerant dials for quick identification, 2-valve brass manifold, standard 2-1/2" gauges, and a durable pull-out proof hanging hook. This model does NOT include a hose set.