1.Filter paper from AK, HV, C&S, Gessner 2.ISO9001&TS16949 quality ... , KOMATSU, HINO, MITSUBISHI, ETC.) Our filters are largely export to Germany, Spain, France, Australia, Poland, Russia,Japan, Singapore, Iran, Iraq, Sudan ... raw materialb) Low resistancec) Long service lifetimed) Durable and reliable air filter for Scania machine 1526086/AF25627