The Centri® EX-40 Air Precleaner is ideal for engines with a C.F.M range of 200 to 400. It is 8 7/8” (225mm) in diameter and 5 7/8” (149mm) high, with a 4” (102mm) Air inlet opening. Centri® Air Precleaners can increase the time between air filter maintenance, providing substantial savings on filter and labor costs. Proudly made in the U.S.A.