BT1@BT-FILTER.COM
How about the filter? Data to speak
"TIANYILAN" Air Filter, Oil Filter, Fuel Filter Testing report
NO.1 TIANYILAN Air Filter ( TA-8731AB ) Testing report:
NO.2 TIANYILAN Oil Filter ( TO-1605 ) Testing report:
NO.3 TIANYILAN Fuil Filter ( TF-2509 ) Testing report:
