Fill your on-board air tank quickly and easily with the Bulldog Winch 200 PSI Double-Cylinder Compressor. Dual 3/8 NPT leader hoses with check valves prevent back-pressure to the cylinders. IP67 rated for under-body mounting. Model#: 41006. Prevents back-pressure to the cylinders IP67 rated for under-body mounting | Bulldog Winch 200 PSI Double-Cylinder On-Board Compressor, 4.2 CFM