Rotor Seal Back Catalog number: CTS-21309 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21628 Peristaltic Pump Tube Kit, 2G Price on request 5005-0057 Capillary ST 0,17x160 SL/SL 57,35 € 5065-4423 1/32in ferrule and SS lock ring 10PK 166,73 €