Extreme Aircraft & Precision Cleaner, 55 gal, Drum, Unscented no checkout Gas lenses provide a more Gas lenses provide a more efficient stream of shielding gas to the welding process The gas lens virtually eliminates turbulence in the gas shielding stream as it emerges from the nozzle Two piece construction smaller design of Mellows is perfect for extended periods of wear Non irritating smooth surface 100% PVC Free® petroleum distillate free formula Readily biodegradable formula Available as a cost effective concentrate or as a convenient ready to use spray dirt and more High soil capacity and superior grease cutting ability Non flammable