The Pro380-Series is a large capacity shallow system design featuring a 24" x 24" basin - perfect for bedrock and difficult soil conditions. The Pro380-Series offers a large 41 gallon 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 available "alarm-ready" with pre-mounted alarm floats. 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.