- Connects seamlessly to a wide range of hose lengths, providing versatility for various applications. One-way function ensures efficient fuel flow. - Constructed with durable rubber and aluminum, this tool is oil-proof and resistant to aging, ensuring longevity and reliability in demanding environments. - Designed as a simple yet effective solution for priming engines in cars, motorcycles, and boats, making it an essential tool for automotive enthusiasts and professionals. - Ideal for introducing fuel after a fuel filter replacement, facilitating smooth operation of engines. Also suitable for transferring petrol, oil, and water with ease. Practical Use Scenarios: - Use it when replacing a fuel filter in your vehicle to quickly and effectively introduce fuel to the system, ensuring a smoother start. - Utilize this tool in your motorcycle maintenance routine to prime the engine, allowing for an immediate and hassle-free ride. - Perfect for boating enthusiasts who need to transfer fuel between containers without spills, thanks to its one-way capability. This product stands out for its robust design, ease of use, and essential function in maintaining the performance of various engines.