2-IN-1 VACUUM & INFLATION PUMP 

A substitute for vacuum pump. 

No need to move a hulking Nitrogen Tank to test leakage by high pressure. 

No need to disassemble all components of main cabinet during repairing. 

Leak detecting commercial air conditioning or automotive air conditioning
system by air inflation. 

Built-in pressure gauge and vacuum gauge, assists user for proper readings
and operation. 

Built-in special device to prevent compressor from spraying oil. 

Built in device for drying & filtering and oilwater separator.