PM Kit, 1290 Binary Pump Back Catalog number: CTS-21421 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request PL7050150 MarvelXACT PLS 50µm x 150mm Price on request PL7025600 MarvelXACT PLS 25µm x 600mm Price on request