The Castrol DPF Cleaner is formulated to help restore diesel particulate filter performance by removing internal blockages without dismantling the system. It works by using a solvent-based formula that breaks down soot and carbon build-up within the filter, allowing you to clear obstructions without any specialist tools or equipment.Explore the key features that make this cleaner a practical and effective option for maintaining your DPF system:Solvent-Based Cleaning Formula: Uses a high-penetration solvent designed to break down carbon and soot build-up within the DPF, helping to restore flow and reduce restriction that may be affecting engine performance.Direct-to-Filter Application: Allows you to spray the product into the DPF housing via the temperature or pressure sensor port, avoiding the need to remove the filter or disassemble exhaust components, reducing labour time and tool use.Non-Metallic and Ash-Free Composition: Contains no metals or ash and leaves no residue behind, helpi