Professional pneumatic gun with adjustable nozzle for applying and spraying protective underbody, bituminous anti-noise, anti-rust, soundproofing and wax. It connects directly to the 0, 5, 1 or 2 Kg / L jar with a special 42 × 3 thread. Working pressure: 3-6 bar, max. 8 bar. Air consumption: 200-300 L / min.