This is the Low-Profile and Non-Vacuum model, #050302. Air Hose I.D: 1/4". Air Inlet: 1/4".

Country/Region of Manufacture: Taiwan
Air Inlet Size: 1/4in.
Disc Size: 5in.
Type: Random Orbit Sander
Manufacturer Part Number: 050302
Grip: Palm
Maximum Speed(RPM): 12000RPM
Brand: AirVantage
Set or Single Item: Single Item
Warranty: 6 Month