This manual paddle air valve switch is panel cut‑out mounting, equipped with brass 1/4 inch tube connectors. Toggle the paddle to switch air circuit for inflating and deflating, adjust height of air suspension seat. Robust plastic shell and premium sealing components ensure stable air tightness under vehicle vibration conditions. Simple installation and replacement. Ideal for heavy‑duty trucks, coaches, air‑ride modification systems. OEM & custom service available, every unit passes air‑leak test before shipment.