Pump Seal, Black Back Catalog number: CTS-10394 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-3102 Sapphire Plunger Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-21586 1100 Series Essential Pack, G1310A/G1311A Pump Price on request