1. Look at the filter material: The filter material of the inferior filter element has a yellow surface, different shades, poor seismic resistance and pressure resistance, and a short service life. The filter material used by D. king Filter is glass fiber, which is an advanced composite material that resists vibration. Good pressure resistance, long service life, working hours reach 500 hours.

2. From the perspective of the looseness between the filter medium and the filter medium, the inferior filter element is not compact, and the good filter medium is compact and uniform.

3. From the technical point of view, the protective cover of inferior filter element is only 0.5 mm, and the protective cover of good filter element is 1.5 mm.

4. In terms of weight, the low-quality filter element is only 1.8 kg, the good filter element is 3.5 kg, and the weight is twice that of the low-quality filter element.

D.king filter oil filter is 100% quality guaranteed, high filtration accuracy and low price, it is the ideal choice for you to buy oil filter!