Hiflofiltro Air Filter - HFA3107. Why Hiflo?. Hiflofiltro — the world’s first TÜV approved oil filter. To achieve our quality aims and to ensure the consistency of our products, we use only premium materials from well known manufacturers: steel from Toyota Tsusho and NKK Japan, glue from Henkel Germany, filter paper from Ahlstrom Filtration Finland, Hollingsworth & Vose USA and Awa Paper Japan.
