The Donaldson P182040 is a high-quality RadialSeal™ safety air filter designed to provide secondary filtration and protect the engine in case of primary filter damage. With an outer diameter of 101.6 mm, an inner diameter of 76.2 mm, and a length of 304.8 mm, this filter ensures reliable performance and extends engine life in various agricultural and construction machinery. It features advanced cellulose media for efficient particle removal, making it an essential component for maintaining engine health.