Features 1. Fitment: This engine air filter is a replacement for Viking MB 448.1 T and STIHL RMA 448.1. Please verify your model and brand before ordering. 2. Function: The air intake filter helps prevent dirt and debris from entering the engine, protecting internal components from premature wear. 3. Durable Material: Constructed with a high-strength housing and a paper filtration medium, this air filter offers heat resistance, anti-aging properties, and high durability. 4. Fine Workmanship: Designed for stable performance and efficient filtration, this air filter features professional manufacturing, precise construction, and a reliable design. 5. Easy to Install: Built to meet original equipment specifications, this filter is a direct replacement for old or damaged units, ensuring quick and hassle-free installation. Specifications Item Type: Air Filter Material: Paper Fitment: Replacement for Viking MB 448.1 T, Replacement for STIHL RMA 448.1 Package List 1 x Air Filter