AF series air source treatment, FRL, air regulator. Max working pressure: 1.0Mpa Adjustable pressure range: 0.05~0.7Mpa SERIES:AF1000-M5,AF2000-02,AF3000-02 ... /4Highest working pressure1.0MPaEnsured pressure resistance1.5MPaOperating temperature range5-60 series AF2000-5000 Air Filter