The air filter is made of high quality rubber and filter paper for good air permanence. Using reliable materials to ensure its durability can effectively prevent fine particles from entering the carburetor and engine, ensuring the reliability of the lawn mower.To maintain optimal performance and extend service life. Keep your engine clean and safe: The air filter of this mower prevents engine damage by filtering dust and mowing grass, improving engine safety. Simple, precise and durable installation lawn mower air filter to get started.No need for complicated tools, a simple and efficient mowing experience. This mower air filter fits most lawn mowers in a flexible design that prevents dust and debris from blocking the engine.This will allow the lawn mower to operate properly and smoothly with greater efficiency and performance, more reliable and more efficient.