... 5 , 10 , 20 , 30 , 60Applicable pH value : 1-13Maximum pressure difference against which it can resist (25 degree c)Positive direction ... 0.42 MpaWorking temperature less than 70 degree c, (pressure difference : 0.25Mpa )Steam sterilizing at 125 degree c, 0 ... .5h each time.Characteristics:High filtration precisionLarge flux and small pressure difference precisionLong service lifelength:5",9.87",10",19.8 ...