HomeHPLC - Mass SpecWB445WB445 WB445 Add to quote This product is already in your quote request list. Browse the list Description Description WB Scientific Part WB445 OEM Part 025348, 5045984 Models 3200, 3500, 4000, 4500, 5500, 6500 Description: 1/16” Union for TIS probe/APCI for Turbo Vâ„¢ Source