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Continue to ChatNUMATICS P493A432D000A00 - 40mm Bore, Front Trunnion Mounting, Series G438 Round Cylinders ISO 6431 https://www.valves-direct.com/product/numatics-p493a432d000a00-40mm-bore-front-trunnion-mounting-series-g438-round-cylinders-iso-6431/