Feature: 1. Perfect Fitment: Air cleaner is replacement for Stihl MS210 MS230 MS250 021 023 025 chainsaw, and replace part number is 1123 120 1613. 2. Premium Material: Air filter and spark plug are made of plastic and steel material, wear resistant, high strength and durable. 3. Excellent Performance: Professional manufacturing, exquisite workmanship, high accuracy, high efficiency, stable performance and high reliability. 4. Original Standard: According to original standard, you can directly replace the old or broken chainsaw air filter, has a long service time. 5. Simple Installation: The installation is simple, no complicated operation is required, convenient for using, save your time and energy. Specification: Item Type: Air Filter Material: Plastic, steelWeight: Approx. 75g/2.65ozReplace Part Number: 1123 120 1613.Fitment: Replacement for Stihl MS210 MS230 MS250 021 023 025 chainsaw. Package List: 2 x Air Filter1 x Spark Plug Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!