PowerPlasma 50 IGBT Plasma Cutter 50amp Arc Cutting SystemProduct ReviewP Click on the link for more reviewsPAdjustable Post Flow (power plasma only) control up to 60 seconds to improve consumable and torch life. Front air pressure adjustment makes adjusting pressure easy and painless. (Power Plasma only)PFront air pressure gauge allows quick verification of air pressure. Over Current and Air Pressure light indicators keep you updated on your units operating condition. Suitable for use with 8500 W "clean power" generatorsP50AMP 220Volt 5060Hz Plasma Cutter.