The Pro380 series is a large capacity shallow system design featuring a 24 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 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 3 years warranty.