Vacuum Recovery Machine 1,compact and robust multi-function. 2,efficiency,reliable,easy to use. 3,environmentally harmless. Features& Specifications:Compact and robust multifunctionWidely used for dust free blasting, low dielectric loss, automatic sorting abrasive, abrasive automatically recycledWorking environment is clean, clean, no dust and pollutionBlast system:Efficiency: Sa2.5 to Sa3. ...