BOSHIDE is a top-notch factory that produces high-quality excavator filters like air filter at an affordable price. Our air filter is designed to fit perfectly for various excavator models such as SWE50 FR35-7 PC30/40 P821575 AF25551 RS3704 A-732. It is made with premium materials to effectively filter out dust, dirt, debris, and other harmful particles to ensure that your engine is running smoothly and efficiently. We guarantee that our BOSHIDE air filter meets or even exceeds OEM standards, providing the most reliable and long-lasting protection for your excavator. Our air filter is an essential component that requires regular replacement to maintain optimal engine performance, and we are confident that you will get your money's worth with our product.