b'Features Designed To Weld Thermoplastic Mem-branes such asPVC,TPO,ECB,CSPE True Tracking Non-Digital Simple Function Operation AutomaticFeature Start Quick Disengage Gear Drive Shipped in a Sturdy Polymer Tool Box Gimble MountedGun Heat Weight Kit Variable Speed Control Temperature Ambient-1300F (700c)Volt Meter Air Flow 16-21( 450-600 liters/min) CFMDurable Chain Drive Drive Speed 0-30( 9 meters/min) ft/minPlug-In Heat Element Wattage 4200 Watts@220 V single phase 50/60 Hz Voltage 230v single phase 50/60 HzSole USA- Of ManufacturerA Full LineHot Of Air Welders'