The Pro380-Series is a large capacity shallow system design featuring a 24 in. x 24 in. basin - perfect for bedrock and difficult soil conditions. The Pro380-Series offers a large 41 Gal. capacity and longer pump cycles for extended pump life. The Pro380-Series sewage package arrives from the factory pre-assembled saving valuable labor time at the job site. Now have the assurance of early warning in the event of a high-level condition with an alarm installed from the factory. Simply mount the alarm panel in its desired location, supply power, and connect the alarm float leads Give the Pro380 a try and see why more contractors are demanding liberty. The Pro-Series is backed by Liberty's standard three-year warranty.