Primefit R1401G Mini Air Regulator with steel-Protected Gauge, 60-Scfm At 100-Psi, 1/4" Npt Locking air regulator for precisely regulating and maintaining constant air pressure Accurate downstream air pressure regulation between 1 and 145-psi High impact locking composite regulator knob Steel protected gauge is designed to withstand abuse Comes with a 1-year limited warranty