JFC filter is 100% made from cotton gauze, which has been layered four times. Each layer has been given special oils which serve the following functions:
- The cotton gauze filter is made entirely from knitted cotton which has fine hairs on every layer;
- Each cotton gauze filter has been layered 4 times, and moistened with special oils which also moistens the fine hairs on the cotton;
- The oiled hairs on the cotton are very sensitive to dust particles and are able to hold them in place;
- When air containing dust passes through the filter, it will trap and hold the dust particles with the moistened fine hair found on the filter;


It has been proven that on the entry side of each JFC filter, there is a thick layer of dust whereas the other side is found to be clean and free of dust.

JFC filters are of excellent quality and very effective. The proof of that is in a test drive using a Toyota Vios 2005 around the streets of Jakarta. The original filter of the Vios was replaced by JFC filter, and the filter lasted for 6000 k.m.
The external – or the entry side – part of the filter was coagulated with dust, whereas the internal part of the filter remained clean.
Note: Be selective when it comes to picking out air filters for your car. Imagine what could happen to the engine of your car when dirt gets in it. Choose JFC Filters, which has been proven to be effective and reliable.


JFC Air Filters proves that can raising your engine horse power, reducing emission, saving your gas, environment friendly, reducing engine noises and also suitable for diesel and any kind or gas vehicles. 
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