The CA Aluminum Seires uses a lightweight, corrosion-resistant aluminum frame with 1 1/4" tube handles. There is a patented vibration plate and flat free tires. The pump has a forged brass manifold, thermal relieve vale and in-line water strainer. The units include 0°, 15°, and 25° quick connect nozzles, 50'x3/8" non marking hose and insulated trigger gun with safety lock. The unloader has a 1 year warranty, the engine has a 3 year warranty, and the pump has a 7 year warranty against manufacturer defects.