HomeHPLC - Mass SpecWB413WB413 WB413 Add to quote This product is already in your quote request list. Browse the list Description Description WB Scientific Part WB413 OEM Part 228-45705-91, Old # 228-45563-95 Models i-Series, LC-10ADvp, LC-10ATvp, LC-20AD/AB, LC-30ADSF Description: Outlet Check Valve