Feature: 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 purchasing. 2. Function: The air intake filter helps prevent debris and contaminants from entering the engine, protecting internal components from premature wear. 3. Durable Material: Constructed with a high-strength housing and premium paper filtration media, offering excellent heat resistance, anti-aging properties, and durability. 4. Fine Workmanship: Designed for stable performance and efficient filtration, this air filter features precise manufacturing, a refined design, and reliable operation. 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. Specification: 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