Enhanced air filtration Improve the engine health and longevity of your chainsaw with this premium quality cotton air filter cleaner. It provides cleaner air for a healthier working environment and helps keep your saw running smoothly between jobs. Durable and wear resistant Made of premium materials, this air filter cotton is designed for durability and wear resistance, ensuring long service life. Invest in reliable filter changes and save money over time. Optimal performance Professionally manufactured air filter delivers reliable performance with precise technology and high accuracy, helping your chainsaw operate at its best. Perfect compatibility Designed for Stihl 018 MS180 017 MS170 MS180C MS180 170 models. They are the ideal fit, provide stable performance, and help extend the life of the machine. Use scenarios - Routine maintenance in dusty environments: replace or refresh the filter to maintain clean air intake and protect the engine during regular servicing. - Forestry and outdoor work: suitable for use in wood cutting or timber processing where dust and debris are common. - Prolonged cutting sessions: supports consistent performance during long or high-load operation by maintaining filtration efficiency.