Top Gun is a certified aviation cleaner; it has been sold since 2000. It is certified for Boeing D6-174487, Douglas CSD #1, and AMS 1526B for exterior aircraft cleaning. Sold in cost-saving 55 -gallon kits weighing only 110 pounds, 5-gallon tight drums weighing 50 pounds to as small as cases of 4 one-gallon bottles weighing 42 pounds. Non-hazardous DOT shipping. For more inforamtion call (800) 762-7911 or visit www.soapwarehouse.biz.