Efficient vacuumassisted filling With advanced vacuum technology, this filling set enables a clean and thorough replacement for frost protection, reduces air blockages, and streamlines the emptying and filling process. It delivers fast and reliable performance to improve work efficiency. Reduces pollution risk The coolant closedsystem refill replaces antifreeze to extend the life of engine components and reduce pollution from harmful substances. It helps keep frost protection clean and supports a long engine life. Broad usability This coolant refill set is versatile and works with a range of vehicle models, including cars, trucks, and construction machines, ensuring effective cooling and helping prevent engine overheating. Userfriendly operation Designed for easy and safe use by professionals and laypersons alike. Its userfriendly design supports simple operation, performance, and reduces the risk of operating errors. Use scenarios In a maintenance workshop servicing a mixed fleet of passenger cars and light trucks, performing coolant fill and frost protection replacement to improve reliability. On construction sites or service fleets, refilling coolant in machinery to prevent overheating and extend component life. Seasonal winterization and preventive maintenance in garages, ensuring frost protection remains clean and the cooling system is ready for operation.