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Continue to ChatJOUCOMATIC 45000104 - 40mm Bore, 50mm Stroke, PES40NA50DM, G1/4, Non-Cushioned, Series 450 Cylinders Double Acting ISO 6431 https://www.valves-direct.com/product/joucomatic-45000104-40mm-bore-50mm-stroke-pes40na50dm-g1-4-non-cushioned-series-450-cylinders-double-acting-iso-6431/