Master Airbrush 1/5 HP Super Cool Runner Dual Fan Tank Air Compressor Kit Model TC-426 – Professional Single-Piston, Regulator Water Trap, Holder. Super Cool Runner Compressor: A professional superior performing super cool running, powerful 1/5 horsepower single-piston airbrush air compressor with a large 3-liter air storage tank that allows constant air pressure and zero pulsation.