HomeHPLC - Mass SpecWB422WB422 WB422 Add to quote This product is already in your quote request list. Browse the list Description Description WB Scientific Part WB422 OEM Part 430001773 Models ACQUITY® I-Class BSM, ACQUITY UPLC® BSM, ACQUITY UPLC® I2V BSM Description: Tube Assy, Transducer to Check Valve, I2V