Protect your investment with a Couplertec Commercial Electronic Rust Proofing System, professionally fitted to your single cab or dual cab vehicle. This Australian-made system uses advanced capacitive coupling technology to actively prevent rust and corrosion from forming on your vehicle’s metal surfaces — even in harsh coastal or off-road environments.  ✅ Key Features Designed for commercial use and harsh operating conditions  Suits single cab and dual cab vehicles (SC/DC)  Fitted in-house by AAV4x4 technicians  Australian-made system with proven off-road and fleet credentials  Protects against rust caused by salt, moisture, humidity and mud  Reduces costly corrosion repairs and extends vehicle life  10-year product warranty