Sparmax TC-620X compressor - C-TC-620XThe Sparmax TC 620X is a powerful automatic twin piston compressor with a 2. 5L air tank. It has ample power for any airbrushing task and is suitable for professional airbrush users doing general or extended airbrush applications. With its 2. 5L air tank it provides smooth and consistent airflow. Being automatic, when the TC 620X's air tank pressure falls below 40psi, the compressor runs to recharge the tank back to 60psi and then switches off the