- Compatibility: Designed specifically for FS 400, FS 450, and FS 480 models, ensuring a perfect fit for your gardening equipment. - Leak and Evaporation Prevention: This fuel cap provides a tight seal to effectively prevent fuel leaks and evaporation. It helps maintain pressure, ensuring a consistent fuel flow during operation, which is essential for optimal performance. - Contamination Protection: The cap safeguards against dust, dirt, and moisture entering the fuel tank. By keeping contaminants out, it supports cleaner combustion and reduces maintenance issues, enhancing the longevity of your engine. - Durability for Regular Use: Engineered for frequent opening and closing, this cap remains secure even under vibration or movement. It provides a reliable fit for demanding gardening tasks, ensuring you can focus on your work without interruption. - Practical Applications: Ideal for use with lawn mowers, trimmers, and other garden equipment, this tank cap is perfect for both professional landscapers and home gardeners. Whether you're mowing the lawn or tackling overgrown bushes, this cap ensures your equipment performs at its best. - Material and Performance: Constructed from high-quality materials, this fuel cap is built to withstand the rigors of outdoor use. Its robust design guarantees durability and consistent performance, making it a reliable choice for your gardening needs.