The MC-II small precision air filter is developed through innovative design based on theintroduction of advanced foreign technologies. It has become the successor product ofdomestic QFH-111, 221, 261 and other air filter pressure reducers. It can replace importedpressure reducers. It filters and purifies the air and the 1.75 Mpa air pressure, and then adjuststo any output force value within the output pressure range and keeps it stable.