Grainger Air Compressor (1 Viewer)

[battle]

Has anybody used one of these: (available at grainger industrial supply)

Inflator,Auto,12V,14x5 1/2x7 1/2 In

Voltage 12 DC, Free Air CFM @ 135 PSI 5.297, Max Pressure 150 PSI, Length 14 In, Width 5 1/2 In, Height 7 1/2 In

I'm looking for a compressor to set up an on board air system, and this may be an option. Does anyone know if this compressor is 100% duty cycle? Any comments on construction, performance etc. would be helpful.

thanks

Paul