Pump Seal, Gold Back Catalog number: CTS-10547 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21586 1100 Series Essential Pack, G1310A/G1311A Pump Price on request PL7050600 MarvelXACT PLS 50µm x 600mm Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request