Rotor Seal Back Catalog number: CTS-21302 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11088 Gold Piston Seals, 2/pk Price on request 1980-1105 AdvanceBio Spin columns, <1000uL, 50/pk 655,13 € 0100-1854 Rotor seal-Tefzel for 0101-0920 valve 183,73 €