- Filtering impurities: It can effectively filter out metal chips, mechanical impurities, oil oxides, and colloids in the engine oil, ensuring the cleanliness of the engine oil and reducing wear on engine components. - Extending engine life: By keeping the engine oil clean, it reduces internal friction in the engine, minimizes component wear, and thereby extends the service life of the generator engine. - Maintaining oil performance: It prevents impurities from contaminating the engine oil, preserves the oil's lubricating, heat-dissipating, and other properties, and ensures the normal operation of the engine.