The Western Star Leak Defender Anti-Siphon is a practical solution to prevent fuel theft. This product features an anti-siphon tube that fits most Western Star makes and models, offering added security. Sold individually, it is designed to be used alongside the Leak Defender LEA-KIT-W02. With its reliable functionality, this anti-siphon device ensures the safety of your fuel supply, making it an essential addition to your vehicle.