The R11-15 Paper Oil Filter Core is an original spare part imported from Taiwan, specifically designed for high-speed nylon zipper sewing machines. This filter ensures the efficient purification of lubricating oil, preventing contaminants from affecting the machine's internal components. Constructed with high-quality paper filtration material, it provides consistent filtration performance, excellent durability, and long service life, helping maintain optimal machine operation, reduce wear, and extend maintenance intervals in industrial zipper production environments.