Campbell Hausfeld makes a heavy-duty portable belt drive 30-gallon hot dog air compressor we like a lot, but it's a 230V unit, which limits how useful it is as a portable. California Air Tools ...

Campbell Hausfeld makes a heavy-duty portable belt drive 30-gallon hot dog air compressor we like a lot, but it's a 230V unit, which limits how useful it is as a portable. California Air Tools ...

Not unlike CFM, this measurement determines which tools the compressor can run. There's also the matter of pancake vs. hot dog style air compressors, but for simplicity's sake, we'll ignore that ...