The Donaldson P780018 is a genuine inner air filter, also known as a safety filter, designed to provide an essential secondary layer of filtration for heavy-duty engine air intake systems. This high-quality Donaldson filter effectively captures fine particulate matter that may bypass the primary outer air filter, preventing engine wear and extending the lifespan of critical components. With an outer diameter of 75 mm, an inner diameter of 60 mm, and a length of 280 mm, the P780018 ensures optimal air flow and filtration efficiency for various agricultural and construction machinery. Rely on Donaldson's proven filtration technology for robust engine protection and sustained performance.