Rotor Seal Back Catalog number: CTS-10942 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11135 50μL Std. Zirconia Mixer Price on request CTS-10772 Pump Seals, Low Pressure Price on request CTS-21586 1100 Series Essential Pack, G1310A/G1311A Pump Price on request