Mastercool 69100 Complete AC Recovery System includes Mastercool 69000 Refrigerant Recovery System 115V which features a high performance oil-compressor, high volume cooling fan, automatic low pressure cut-off switch, a liquid compatible head-valve system, a safety high pressure cut-off switch, and fully reinforced hard plastic casing. Mastercool 69100 also includes a 30lb. recovery cylinder and necessary hoses.