The #4 Lite Touch Air Button is a low-voltage control accessory designed for use in gunite spas and pools. Part of a pneumatic system, this air button safely activates spa equipment like jets, blowers, and lights without any electrical current passing through the user interface. Engineered for durability and ease of installation, it offers a safe and effective control solution in wet environments, making it the ideal replacement or upgrade component for spa owners and technicians.