So you're looking for a spill-control product that's not too big, but not too small. The Mini-Barrel Pac™ is your answer. Designed to conform with the Andax Modular Refill System, you can contain up to a 30-gallon spill with the Mini- Barrel Pac™. The highly visible barrel (blue = oil selective; yellow = universal) is a perfect indoor/outdoor, all-weather spill-control station. The Mini-Barrel Pac™ utilizes a barrel that is UN certified 1h2/y180/s.