The Festo VAL-1/4-20 is a height compensator designed for suction-cup holders, offering a 20 mm adjustment range. This component features a vacuum port on top and is compatible with vacuum ports M5, G1/8, and G1/4, making it ideal for applications requiring precise height adjustments in automated systems. Although this model is being phased out by 2026, it remains a reliable choice for existing systems. For new designs, consider Festo's modern alternatives in compensating components.