1, effect: Man brand oil filter adopts high-quality filter paper material, which can effectively filter out impurities in oil, while the quality of Oufei oil filter element is slightly inferior.

2. Service life: Man brand machine oil filter can reach the service life of 1000 km or even longer, while Oufei machine oil filter is generally around 5,000 km. The actual service life of Man brand oil filter is longer than that of Oufei, so it is better on the whole.