The CDTi PatFluid 1L Fuel Borne Catalyst (03-11-000-0005) is a high-quality DPF cleaner designed to help maintain the performance of your vehicle's diesel particulate filter. With a volume of 1 litre, this fuel additive is formulated by the trusted brand CDTi to effectively clean and reduce the impact of fuel borne catalysts. This product is a must-have for vehicle owners looking to ensure the optimal functioning of their diesel particulate filter.