Features Application: The chainsaw air filter is suitable for the STIHL 021 023 025 MS210 MS230 MS250 chainsaw. Even distribution: This is a strong and durable chainsaw air filter element, the filter material is evenly distributed and the filter material is easy to replace. ABS Material: This is an air filter element is made of ABS material with low initial resistance and can be cleaned repeatedly. Prevent Dirt from Entering: A clean air filter improves air flow and prevents dirt and dust from entering. Excellent Filtering Capacity: This air filter element has excellent filtering capacity and can achieve excellent performance. Specification: Item Type: Air Filter for STIHL Material: ABS Package List:1 x Air Filter Package List 1 x Air Filter