Keep your car like new with Rust Check! Rust Check proved most effective in scientific research, beating all other automotive corrosion inhibitors tested. With Rust Check, new cars stay rust-free. Rust Check penetrates through existing rust on older cars to dramatically slow corrosion. Written guarantee on all vehicles, all ages. Traditional, Dripless and new Gold Rust Check treatments are affordable and friendly to the environment. $69.95-$199.95 Your car deserves the best!