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Continue to ChatAVENTICS - R412010863 - Flow sensor, air supply on the right, Series AF1 (AF1-2DA-150-200-R-L) https://www.valves-direct.com/product/aventics-r412010863-flow-sensor-air-supply-on-the-right-series-af1-af1-2da-150-200-r-l/