The Kramp SP22790 Diesel Ice Proof Diesel Additive is a highly concentrated 1-liter solution designed to prevent the formation of paraffin crystals in diesel fuel at low temperatures. This genuine Kramp additive improves the cold filter plugging point (CFPP) by up to 10°C, ensuring reliable engine operation in winter conditions. Suitable for all diesel engines, including common rail systems, it is safe for catalytic converters and diesel particulate filters (DPF). It also provides protection against fuel system wear and corrosion. The recommended dosage is 1 liter per 1000 liters of diesel fuel.