The DV Systems G Seriesof rotary screw air compressors, Nos. G20, G25, G30, operate at a 100 percent duty cycle and are capable of continuous-use applications. The compact, quiet air system has an integrated air after-cooler and the company's CSC300 microprocessor controller. The 20hp model provides 82 scfm of air at 120 psi; the 25hp version produces 100 scfm of air at 120 psi; and the 30hp unit delivers 116 scfm at 120 psi. The units operate at 69 dBA or quieter and offer both variable speed and fix speed belt drives as well as a five-year extended warranty.