HomeHPLC Replacement PartsOutlet Check ValveOutlet Check Valve Outlet Check Valve Add to quote This product is already in your quote request list. Browse the list Description Description Reference WB438 OEM Part 2540197 Models: 200 Series, 1, 2, 3, 3B, 4, 10, 250, 400, 410, 620, Int. 4000, Series 200 Micropump
