Rotor Seal Back Catalog number: CTS-10942 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10285 TFE 3-Way Valve 4 (V4) Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-12013 Tungsten Lamp (1000 hr) Price on request