Pre-Filled DEF Tote with 200 Gallons of Blue DEF Diesel Exhaust Fluid inside a 275/330 Capacity Gallon Tote API Certified Blue DEF Diesel Exhaust Fluid Universal fittings for 275/330 gallon IBC totes America's #1 brand of Diesel Exhaust Fluid Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid Pre-Filled DEF Tote with 200 Gallons of Blue DEF Diesel Exhaust Fluid.. API Certified Blue DEF Diesel Exhaust Fluid. America's #1 brand of Diesel Exhaust Fluid Conforms to the ISO-22241-1 specification for DEF, and is an American Petroleum Institute (API) certified diesel exhaust fluid