This 2.0 MHU CT tube is specifically designed as a replacemnet for use with Shimadzu SCT 3000*, SCT 3000C, SCT 3000E*, SCT 3000EE*, SCT 3000F*, SCT 4800*, and SCT 5000TF* CT systems. The DA 220 uses a housing designed and manufactured by Dunlee. The B 220
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