Sprayer Features: Capacity: 16L, 18L, 20L Normal pressure: 0.2 - 0.3MPa Air Chamber Capacity: 813 Cubic Centimeter Spray Rod(Gun): Stainless steel Nozzle: Stainless steel Packing: 1pc/export colour carton Gross/Net weight: 4.0/3.2kgs/carton Carton dimension: 41x20x52cm. The spray gun and nozzel can be changed to plastic ones.