AC filter is the brand name for overpressure systems supplied and manufactured by Fillflex.
Fillflex develops products and services for, among others, the off-road sector, buses and trucks, heavy industry, the food and beverage industry, and the agricultural and port sector. In addition to the overpressure filter systems of AC filter, Fillflex supplies lubrication systems under the brand name Hebonilube. See: www.hebonilube.net