1.certificated under ISO9001&TS16949 Quality system 2.High quality raw material,Durable and reliable 1) Out size: 520 (height) x 280 (outer diameter) x 203mm (inner top diameter)2) Advantages:a) High quality raw materialb) Low resistancec) Long service lifetimed) Durable and reliable NELSON Air Filter 870904A/AF25708M/P61-3333