The Claas 7700077178 is a genuine OEM main air filter designed to provide superior filtration for a wide range of Claas agricultural machinery. This essential component effectively removes dust, dirt, and debris from the air intake, protecting the engine from wear and maintaining optimal performance and fuel efficiency. With an outer diameter of 130 mm, an inner diameter of 77 mm, and a height of 260 mm, it ensures a precise fit and reliable operation.