This Spartan Muffler Package from Chandler Vac, featuring the powerful Battioni Pagani KPS 490 liquid-cooled rotary vacuum pump, is ideal for gas frac hauling, septic, and general-purpose vacuum trailers. Key features include a built-in secondary, muffler exhaust, flushing kit for easy maintenance, exterior oil level indicator, automatic lubrication system, and 3-liter oil tank.