Invincible Portable 300, 400, 700 and 800 Series Seven models available Ideal for Sub Arc Welding Designed for heavy-duty service 5 year warranty Completely removes flux flour, eliminating weld porosity Performance Overview Rise from 6 to 58 lbs per minute Range from 3/4 Hp - 10 Hp (0.5 - 7.5 kW) Various motor configurations available System includes...