Manufacturer 시리즈 = FUA-20 To Fit Bore Size = 20mm The Festo flange mounting FUA-20 For cylinders ADVU, AEVU, ADVUP and ADVUT. It has corrosion resistance classification CRC 2 that is moderate corrosion stress.Thread Size 20 Assembly position Any Ambient temperature ranges between -40°C and 150 °C Product weight 77 g