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Continue to ChatAVENTICS - R412009115 - Pressure regulator, Series AS5-RGS (AS5-RGS-G100-GAU-020 INCL. R412004420) https://www.valves-direct.com/product/aventics-r412009115-pressure-regulator-series-as5-rgs-as5-rgs-g100-gau-020-incl-r412004420/