Pulse Width Modulation

150930-04 Ametek Nautilair Brushless Blower 7.6" 120VAC 164 CFM 28 in.H2O PWM CL

150940-01 Ametek Nautilair Brushless Blower 7.6" 240VAC 165 CFM 40 in.H2O PWM

150940-56 Ametek Nautilair Brushless Blower 7.6" 240VAC 165 CFM 40 in.H2O PWM OL