HomeHPLC - Mass SpecWB231WB231 WB231 Add to quote This product is already in your quote request list. Browse the list Description Description WB Scientific Part WB231 OEM Part 700003785 Models ACQUITY® I-Class BSM, ACQUITY® M-Class µASM, ACQUITY® M-Class µBSM, ACQUITY UPLC® Binary SM Description: Filter Cartridge w/Lock Ring, Titanium, 2/pk