Air Filter & Spark Plug Combo: Ensure your lawn mower runs smoothly with our air filter and spark plug. Designed to prevent dirt and debris from entering the engine and protect internal components from premature wear. Lawn Mower Maintenance: Keep your lawn looking its best by maintaining your mower's performance. Our air filter is engineered for optimal filtration and easy installation. Engine Performance: Enhance engine longevity and efficiency with our precision-engineered air filter. The pleated design ensures maximum particle capture, helping keep your engine running smoothly. Oval Design: Our air filter features an oval shape, supporting improved airflow while maintaining effective dust holding capacity. Easy Installation & Wide Compatibility: Designed for simple installation and built to meet industry standards, this air filter fits various lawn mower models, including Viking MB 448.1 T and STIHL RMA 448.1. Crafted with durable shell and paper material, it delivers reliable performance and consistent filtration to help your engine operate efficiently.