The Tank trap from Andax is an instant, portable containment system used to contain leaks and spills. It is the fastest way to contain leaks from fuel tanks, drums/cargo, toxic substances or contaminated soils and materials. Tank Trap can also be used for instant hazardous, biological or chemical decontamination. It is available in 50, 100 and 150-gallon capacities and is 100 percent reusable.