Permanent Magnetic Motor.
Viair 45058 450C IG Series Compressor 24V CE Intercooler Head 100% Duty Sealed
Viair 45050 450C IG Compressor Kit 12V CE Intercooler Head 100% Duty Sealed
Viair 45050 450C-IG Compressor Kit 150 PSI / 1.66 CFM 12-Volt Duty Cycle: 100%
Viair 96C 12 Volt IG Compressor Kit 130 PSI / 1.27 CFM
VIAIR 250C IG Industrial Truck Mount Air Compressor for Train Horns - 24 Volt
VIAIR 250C IG Industrial Truck Mount Air Compressor for Train Horns - 12 Volt