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Continue to ChatJOUCOMATIC 44850023300 - 50mm Bore, 300mm Stroke, STB50A0AB300DM, Series 448 Rodless Band Cylinders With Active Brake https://www.valves-direct.com/product/joucomatic-44850023300-50mm-bore-300mm-stroke-stb50a0ab300dm-series-448-rodless-band-cylinders-with-active-brake/