After 2 days confirmation, One of my USA old client placed an order for air compressor inline filter element from our factory again. The part numbers and quantities are as below: He is filter dealer. 

10C10-050   50pcs 

6C10-050     50pcs

AU10-050     50pcs 

K145AA         50pcs

K145AO        50pcs 

The span life of air compressor inline filter element is about 4000-6000 hours. We use imported glass fiber materials to produce air compressor inline filter element. The filtering effect is very stable. By the way, he also is willing to accept the neutral filters. We will print the filter part number on end caps. We will advise our Aida brand filters to him next time.He purchased sample order last year, and he was very satisfied with our filters quality and appearance after testing. Order again this time is the best proof.  

  I sincerely hope our cooperation will be better and better in the near future.