VIAIR Portable Air Compressors
VIAIR Portable Automotive Air Compressors. The 400P-Automatic Air Compressor is one of two Automatic shutoff function portable compressors, that are available only from VIAIR Automotive Air Compressors. This 33% duty cycle unit is capable of working pressures up to 150 PSI and can be operated for up to 15-20 minutes at a time before needing to be rested for 30 minutes.
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