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Continue to ChatAVENTICS - 5801670000 - Intermediate plate for separate air supply, ports 2 and 4 on bottom (BASE PL.SEP.INLET 580/167 ISO1) https://www.valves-direct.com/product/aventics-5801670000-intermediate-plate-for-separate-air-supply-ports-2-and-4-on-bottom-base-pl-sep-inlet-580-167-iso1/