Features: 1. [Durable Material] Made of high quality PP material, which is durable, not easy to damage, wear resistant, and can be used for a long time. 2. [Stable Performance] Professional manufacturing, with exquisite craftsmanship, help to provide the perfect stable performance, to meet your various need. 3. [Simple To Install] Evenly distributed and easy to install and replace, and can effectively extend the service life of the machine. 4. [Perfect For Garden] This trimmer filter is a perfect accessory for garden, which is safe and harmless, so you can use it with confidence. 5. [Widely Compatible] Trimmer filter is fit for Stihl HS81 HS81R HS86 HS86R, which can be perfectly compatible with your machine. Specification: Item Type: Trimmer Air Filter Material: PP Fitment: Fit for Stihl HS81 HS81R HS86 HS86R Part Number: 4237-141-0300, 4237 141 0300 Weight: Approx. 40g / 1.4oz Package List: 2 x Air Filter Features Durable Material: Made of high-quality PP material, ensuring durability and resistance to damage, extending the filter's lifespan. Stable Performance: Professionally manufactured with exquisite craftsmanship, providing perfect stability and reliable performance for all your trimming needs. Simple to Install: Easy installation and replacement with even distribution, effectively enhancing the machine's lifespan and reducing maintenance time. Perfect for Garden Use: A safe and harmless accessory for your garden, allowing you to confidently use the trimmer filter for a clean and precise trim. Widely Compatible: Specifically designed for Stihl HS81 HS81R HS86 HS86R models, ensuring perfect compatibility with your machine for optimal performance.