Valve Block for ABI Instruments, Exchange, 4 Solenoids, 5 Ports, Used on the 394, 392 for the columns and for the expansion block that is added when the instrument has 8 amidite positions. Since this is an exchange part, you must return your old part complete with all components. If you do not return your part or you return it missing components, you will be charged as though you purchased a new part without exchange. If you do not want to send your old part back to us, you should purchase this same item as non exchange from us. Prices are for work performed in our Depot in Newark Ca. Does not include shipping, insurance or tax if any is due.
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