BMC FB641/01 135X231 AIR FILTERDescription BMC FB641 01 135X231 AIR FILTER The BMC air filter features a metallic mesh with an oiled multilayer cotton filtration material. This design ensures a high level of filtering efficiency while minimizing air pressure loss. The oil provides the material with an adhesive property, helping to retain air impurities without restricting airflow, resulting in a continuous filtering process. The cotton filtrating element is housed in an external