The Granit 320320107 Winter Diesel Additive is a high-performance 1-liter solution designed to enhance diesel fuel fluidity in cold temperatures, preventing filter clogging and ensuring reliable engine operation. It protects the injection system against wear and corrosion, maintains injector cleanliness, and can help reduce fuel consumption. Suitable for all diesel engines, including Common Rail and pump-injector systems. Not recommended for use with pure biodiesel (B100). One liter treats 1000 liters of diesel fuel, providing protection down to -30°C.