MASTERCOOL 69110 Automotive A/C Recovery System DESIGN CERTIFIED to meet SAE J2810 while also being 100% U.S. designed, assembled and tested RECOVERS AND REMOVES oil from refrigerant STATE OF THE ART  horsepower oil-less compressor with built-in high volume cooling fan for fast recovery COMPRESSOR PROTECTED by a safety high pressure cut-off switch that shuts the unit off when pressure exceed 500 psi STAINLESS STEEL BALL VALVE DESIGNED MANIFOLD controls the refrigerant flow smoothly and quickly