The Wynn's SP45641 Diesel Particulate Filter Regenerator is an advanced treatment designed to clean and regenerate clogged diesel particulate filters (DPF). This formula effectively reduces the ignition temperature of soot, allowing for more efficient regeneration during normal driving conditions. It helps restore engine performance, improves fuel economy, and reduces harmful soot emissions. Suitable for all diesel engines, including those with DPFs, and compatible with all types of diesel fuel.