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DBB8666 (P568666) is a 4μm high-efficiency bulk fuel filter. It adopts electrostatic suppression technology and imported glass fiber filter material. With a single-stage filtration, it can achieve ISO 14/13/11 cleanliness. It is suitable for diesel, kerosene, B100 bio-diesel, and ethanol-containing gasoline. The working pressure reaches 24.1 bar, and the maximum flow rate of a single unit is 246 Lpm. It is widely used in bulk oil storage, fluid transportation, and fuel dispensers for fine filtration. It is a key component for ensuring fuel cleanliness and equipment safety.