1. Easy to Use: The coolant funnel kit features a unique rotating switch that gently prevents overflow and air bubbles, ensuring hassle operation. Designed for ultimate convenience, it is also userfriendly and easy to store. 2. Spill Refills: Our coolant funnel kit delivers motor oil and coolant without spills or air bubbles. The extralong funnel securely fits onto your vehicle's radiator, preventing messes and providing a smooth refilling experience after coolant flushing. 3. Simplified Filling Process: The spill coolant kit ensures seamless fluid transfer even in the toughest environments. With its unique extension rod design, you can position the funnel at multiple angles on the radiator cap, allowing easy access to hardtoreach areas. 4. Wide Applicability: Whether you need to perform multipurpose coolant pressure test kits, radiator flushes, or engine flushes, this coolant funnel kit has you covered. The coolant filling kit includes a universal adapter that fits both domestic and foreign vehicles.