Norgren excelon pro general purpose filterregulators norgren b92g 2gk qt1 rmg this compressed air filterregulator is excellent value and is designed for general purpose use the low weight unit features a polycarbonate bowl with a manual drain and requires no tools for assembly the regulator has a mounting bracket with a g14 connector norgren excelon pro b92g 2gk qt1 rmg 92 filterregulator general purpose