The Protal Air Cartridge Gun is designed for use where fast and easy setup, no clean up, minimal material waste and minimal equipment maintenance is needed. It is based on a reliable design with proven dependability and service. The Protal Air Cartridge Gun has a quick connect/disconnect hose assembly for easy attachment of air lines to the spray manifold. The atomizer air line is also equipped with built in air flow regulator and pressure gauge to properly control the air flow and spray pattern. Protal Repair Cartridges should be heated to approx. 120°F to 130°F (49°C to 54°C) to ensure optimal spray results.